Is a bubble mailer considered a flat - A padded envelope, often made from kraft bubble mailers, is a type of envelope that includes an extra layer of padding, usually made from bubble wrap or a similar protective material. The protective layer provides an extra measure of security, making padded envelopes a good choice for slightly more fragile items.

 
An envelope up to 12 inches tall by 15 inches wide and three-quarter inches thick can ship as a first class mail "flat" if it weighs 13 ounces or less. A flat must also meet minimum size requirements of 6 1/8 inches long by 11 1/2 inches wide.. Irregular shaped gestational sac at 6 weeks

Herb asks, “Is it a good idea to install a TV over a fireplace?”Mounting a flat screen TV over the fireplace has become quite popular, but there are a number of potential problems ..."The speculative rally so far this year seems a perfect example of investors' denial of a changing economy," Richard Bernstein Advisors said. Jump to The bubble in stocks has burst...However, whether bubble mailers are considered packages or envelopes depends on their thickness. If a bubble mailer is 3/4 inch thick or less, it is generally classified as an envelope. On the other hand, if it exceeds 3/4 inch in thickness, it is typically considered a package. This determination is important when it comes to determining ...Are you in the market for a 1 bedroom flat in Madinat Zayed? This bustling city offers a variety of options for those seeking comfortable and convenient living spaces. However, bef...With Priority Mail, a bubble mailer as opposed to a box will only save money in so far as the vessel weighs less and adds less to the total weight/cost. Add the cost of insurance to your 'handling'. The handling part is the problem. It can only be applied across the board no matter what shipping is chosen.Bubble Mailers Cardboard Packages. or any packaging made of plastic material Envelopes and content that weigh more than 3oz Envelopes smaller than 3.5” x 5” inches or larger than 6.125” x 11.5” inches Envelope thickness is non-uniform, rigid, and/or thicker than 0.25” inches at any pointWholesale Shipping Supplies. We love poly mailers because they offer the most packaging options at a great wholesale price. If your eCommerce shipping strategy only allows only for a single shipping supply on hand, we suggest poly mailers over bubble mailers. The value of having the option to add or remove additional padding can’t be …Jan 17, 2018 · Winner: Bubble Mailers. Poly bubble mailers are lighter and more compact than padded mailers. Comparing two of these mailers - an 8.5 x 10.75" bubble mailer size and an 8.5 x 11" padded mailer size: The bubble mailer weighs 0.8 oz and the padded mailer weighs 2.2 oz. A case of these bubble mailers holds 100 units and weighs 5 lbs. Package is under 3 oz. I went into the Post Office this morning and was told that in order to ship something First Class it has to be a "package". The teller said that a "package" must be rigid, whereas bubble mailers are not. She said I could either stick cardboard in the mailer, or pay for Priority Mail costs (~$3.30).Flat bones are made up of a layer of spongy bone between two thin layers of compact bone. They have a flat shape, not rounded. Examples include the skull and rib bones. Flat bones ...Bubble Mailers and Envelopes are Considered Packages When They’re 3/4 Inches Thick or More. USPS will only accept bubble mailers as packages if their total thickness is 3/4 of an inch or more. ... USPS Flat Rate Envelopes are almost ALWAYS the cheapest option. However, use your own envelope for packages weighing exactly 1 lb. …A poly mailer is a shipping mailer that is designed to offer an affordable, reliable, and lightweight alternative to traditional cardboard boxes. Poly mailer envelopes are made out of lightweight plastic and are perfect for shipping clothes, electronics, and jewelry, among other things. In addition to being lightweight, poly mailer envelopes ...Jul 20, 2023 · Polyethylene mailers, like our Poly Mailers, must be at least 2 mils thick for shipments up to 5 pounds and 4 mils thick for shipments up to 10 pounds (and are not acceptable for shipments over 10 pounds). When poly mailers are used, their overhang should not exceed 0.5 inches when the package is lying flat and have a uniform thickness. With Priority Mail, a bubble mailer as opposed to a box will only save money in so far as the vessel weighs less and adds less to the total weight/cost. Add the cost of insurance to your 'handling'. The handling part is the problem. It can only be applied across the board no matter what shipping is chosen.Options markets are so optimistic, they look like they did during the tech bubble of the early 2000s. Jump to Options markets are so optimistic, they look like they did during the ...When it comes to choosing the right flat roof system for your building, there are several factors to consider. From durability and cost-effectiveness to energy efficiency and maint...Moving can be expensive. Our guide breaks down the best moving companies that off flat fees to help you stay in budget. Expert Advice On Improving Your Home Videos Latest View All ...Bubble mailers are a type of padded envelope reinforced with a layer of protective bubble wrap. They are commonly used for shipping and mailing items that require extra protection, such as electronics, fragile items, or important documents. Bubble mailers come in various sizes, colors, and materials to suit different needs.A mailpiece that exceeds any one of the maximum dimensions for a flat (large envelope). See 2.1. A flat-size mailpiece, regardless of thickness, that is rigid or nonrectangular. A flat-size mailpiece that is not uniformly thick under 2.4. A mailpiece that does not exceed 130 inches in combined length and girth.There are small mailer boxes that can hold small items that weigh up to 6 pounds. Medium mailers can hold items that weigh up to 10 pounds. The larger mailer boxes are considered to be heavy-duty ones. The maximum weight will depend on the shipping company you choose, so make sure you research before finalizing the size of …Bubble Mailer Specifications and Features: –12-1/4" (L) x 17-3/4" (W) usable inside dimensions. –Bubble liner for added protection. –Lightweight to reduce postage. –Self–sealing fold–over flap. Get everything you need to ship packages at the Post Office™ with our ReadyPost® Shipping Supplies. Pack and protect your shipment with ...A granny flat is a small dwelling located close to the main house and contains a bedroom, kitchen, bathroom and living space. Here's how to tell if your home needs one. Expert Advi...A bubble mailer is a plastic or paper envelope lined with a cover of bubble wrap. They come in an extensive range of sizes, commonly rectangular in dimension. There is a variation in size between the …I want to know if I can ship a package UPS Ground in a bubble mailer . O. OdiN Banned. Mar 1, 2000 16,431 3 0. Oct 18, 2007 #10 Originally posted by: aphex Ok, i dont think you guys understand. If i ship a package UPS Ground from FL -> FL, it arrives the next day, guaranteed.At this writing, the postage rate for flats is $1.00 for the first ounce, and $0.21 for each additional ounce. So the postage required for an 8-ounce flat is $2.47. What does USPS consider a bubble mailer? Bubble Mailers and Envelopes are Considered Packages When They’re 3/4 Inches Thick or More.However, whether bubble mailers are considered packages or envelopes depends on their thickness. If a bubble mailer is 3/4 inch thick or less, it is generally classified as an envelope. On the other hand, if it exceeds 3/4 inch in thickness, it is typically considered a package. This determination is important when it comes to determining ...The bubble mailer counts as an envelope if its thickness is 3/4 of an inch or less. Yet, it qualifies as a package if it measures more than 3/4 of an inch thick after packaging. This straightforward differentiation can not only prevent confusion but also guarantee a smooth delivery experience. The bubble mailer counts as an envelope if its thickness is 3/4 of an inch or less. Yet, it qualifies as a package if it measures more than 3/4 of an inch thick after packaging. This straightforward differentiation can not only prevent confusion but also guarantee a smooth delivery experience. What is the cost of mailing a bubble mailer? According to experts in the established financial fields, until a few months ago all forms of crypto investment were considered a serious risk. It was an unknown quantity. It was a...Oct 25, 2019 · Stock and Custom Rigid Mailer Envelopes. Often referred to as flat mailers, rigid mailers or chipboard mailers, these are best used for products that require protection, when a box would simply result in overpackaging. (More on right-sizing and avoiding overpackaging in this post). Documents, photographs, stationary, books and most commonly ... Compostable poly mailers are similar to lay flat mailers, but made out of compostable materials, meaning they’re able to decompose back to earth. They’re a great eco-friendly alternative to traditional plastic because they help reduce waste and keep materials out of oceans and landfills. 3. Bubble mailers noissue's padded mailer.BUBBLE MAILERS . SELF SEAL BUBBLE BAGS; GLAMOUR BUBBLE MAILERS . ... this is a measurement of the outside of a flat mailer. However, this measurement does not reflect the usable dimensions within the mailer. ... Clothes are considered “non-fragile” items, so they don’t need all the bubble wrap and packing …If your bubble mailer is thin and does not exceed 3/4 of an inch in thickness, it is considered an envelope. In this case, you can simply attach a $0.55 forever stamp and send it on its way. For thicker bubble mailers that are considered packages, USPS offers various service options, such as First Class, Priority Mail, Retail Ground, and Media ...As I said earlier, bubble wraps or mailers are not free. Bubble wraps are somewhat cheaper as each pack costs about $27.00. On the other hand, bubble mailers are expensive. You need about $79 per package for a pack of large bubble mailers and $35.80 for the medium ones. One way to save costs is to buy physically from the post office.Bubble mailers can be considered packages or envelopes based on their thickness. If a bubble mailer is 3/4 inch thick or less, it is considered an envelope. If it is over 3/4 inch …A mailpiece must be flat-size or larger, if rigid, or over 3/4″ thick to be classified and priced as a package (parcel).For padded bags (e.g., ReadyPost ® “cushion mailer”), when the thickness is 3/4″ or less and the item is flat-size and somewhat flexible, the item should be classified and priced as a large envelope.. Where does a stamp go …Stock and Custom Rigid Mailer Envelopes. Often referred to as flat mailers, rigid mailers or chipboard mailers, these are best used for products that require protection, when a box would simply result in overpackaging. (More on right-sizing and avoiding overpackaging in this post). Documents, photographs, stationary, books and most commonly ... 3-6. Nonmachinable Criteria. A letter-size piece is nonmachinable if it has one or more of the following characteristics (see DMM 601.1.1.2 to determine the length and height of a mailpiece): Has an aspect ratio (length divided by height) of less than 1.3 or more than 2.5. Is polybagged, polywrapped, or enclosed in any plastic material, or has ... Lots of apparel can be folded to fit correctly into these mailers. Think of a t-shirt that is folded to fit perfectly inside a poly bag. In fact, many fabric items are a good fit for poly mailers. Book and printed media. Books, binders, and other flat paper products are a perfect fit also; depending on their size. Often the padding inside the ...Bubble mailers are a type of padded envelope reinforced with a layer of protective bubble wrap. They are commonly used for shipping and mailing items that …Oct 20, 2022 · Bubble mailers are usually not as rigid as flat rigid mailers; however, they’re water resistant and can greatly minimize weather and environmental damage. These can also made from recycled materials, include reusable features, and ultimately be recycled where soft plastics are accepted. These utilize exactly the same enclosing adhesive tape ... A poly mailer is a shipping mailer that is designed to offer an affordable, reliable, and lightweight alternative to traditional cardboard boxes. Poly mailer envelopes are made out of lightweight plastic and are perfect for shipping clothes, electronics, and jewelry, among other things. In addition to being lightweight, poly mailer envelopes ...When Shipping Flat, Solid Items. If you are looking to send a flat tangible item that requires extra padding, you should always go for a bubble mailer. More …Additionally, if your bubble mailer is classified as a Flat, you are aware that you will require more postage than just a single Forever stamp. Additionally, a bubble mailer can be sent as a Flat by using stamps up to 13 ounces in weight (or seven Forever stamps); if the weight were four ounces, the postage would be $1.76.When it comes to moving, having the right supplies can make all the difference. From sturdy boxes to packing tape and bubble wrap, a reliable moving supply company can provide you ... The bubble mailer counts as an envelope if its thickness is 3/4 of an inch or less. Yet, it qualifies as a package if it measures more than 3/4 of an inch thick after packaging. This straightforward differentiation can not only prevent confusion but also guarantee a smooth delivery experience. What is the cost of mailing a bubble mailer? What is a Poly Mailer? Poly mailers are those nifty plastic envelopes you see everywhere. They’re lightweight, durable, and perfect for shipping a variety of items. But here’s a question I get asked a lot: is a poly mailer considered an envelope? Technically, it’s a special kind of envelope—water-resistant, tear-proof, and way cooler ...Hello and welcome back to Equity, a podcast about the business of startups, where we unpack the numbers and nuance behind the headlines. Hello and welcome back to Equity, a podcast...A padded envelope, bubble mailer, or plastic (Tyvek or Poly) sleeve. Packages thicker than 3/4 inches don't qualify for USPS First Class Mail rates. Envelope. A large, flat envelope no thicker than 3/4 inches. Note. Envelopes are not supported with Canada Post through Shopify. Flat rate. Flat rate packaging is offered by most carriers.However, whether bubble mailers are considered packages or envelopes depends on their thickness. If a bubble mailer is 3/4 inch thick or less, it is generally classified as an envelope. On the other hand, if it exceeds 3/4 inch in thickness, it is typically considered a package. This determination is important when it comes to determining ...Oct 27, 2023 · The cost of sending a bubble mailer via Priority Mail depends on the weight and the zone, ranging from $7.70 to $13.75. Priority Mail Flat Rate: This is a special service that allows you to send packages of any weight (up to 70 pounds) for a flat rate, as long as they fit in one of the USPS-provided boxes or envelopes. Bubble Mailers and Envelopes are Considered Packages When They’re 3/4 Inches Thick or More. USPS will only accept bubble mailers as packages if their total thickness is 3/4 of an inch or more. ... Is a padded envelope considered a flat? A mailpiece must be flat-size or larger, if rigid, or over 3/4″ thick to be classified and ...There are two dimensions to consider when selecting a bubble mailer. When you have an envelope lined with Bubble Wrap or a poly bubble mailer, the outside dimensions will differ from the interior …I want to know if I can ship a package UPS Ground in a bubble mailer . O. OdiN Banned. Mar 1, 2000 16,431 3 0. Oct 18, 2007 #10 Originally posted by: aphex Ok, i dont think you guys understand. If i ship a package UPS Ground from FL -> FL, it arrives the next day, guaranteed.In order to build stairs with pavers, mark out and dig out the area for the stairs, create risers with bricks and crushed stones and mortar in place the paver steps. For large area...An envelope up to 12 inches tall by 15 inches wide and three-quarter inches thick can ship as a first class mail "flat" if it weighs 13 ounces or less. A flat must also …Round-trip mailing of a disc is mailing, under specific criteria, from a mailer who expects to receive the disc back from a subscriber. Large Envelopes (Flats) that exceed 13 ounces are mailed at the Priority Mail® rate Size Requirements: Minimum Size: 6⅛ inches by 11½ inches. Maximum Size: 12 inches by 15 inches. Thickness: ¼ inch to ¾ inchFor instance, 4-6 medium shirts will easily fit into a 10" x 13" flat mailer, but only about 3-4 will fit into a padded mailer. Consequently, adjust the size of your mailer bag accordingly based on the type of padding you will use. If a small, fragile item requires cushioning, we recommend that you use a bubble mailer.For example, sometimes when you mail a "letter", the postal service classifies it as a "flat", while sometimes when you mail a flat card, the postal service classifies is as a "letter". The basic rule to remember is that these categories are based on the size of the piece, not the content.Bubble Mailer Specifications and Features: –12-1/4" (L) x 17-3/4" (W) usable inside dimensions. –Bubble liner for added protection. –Lightweight to reduce postage. –Self–sealing fold–over flap. Get everything you need to ship packages at the Post Office™ with our ReadyPost® Shipping Supplies. Pack and protect your shipment with ...Bubble mailers can be made of plastic or paper on the exterior, and they always have a lining of bubble wrap on the inside. Bubble mailers are more expensive than poly mailers and cheaper than rigid mailers. They are also less flexible and bulkier.Jeremy Grantham expects the historic bubble in stocks, bonds, and house prices to end with an epic crash and an economic catastrophe. Jump to Jeremy Grantham has warned the implosi...If your mail is less than 3/4 inch thick, then you have what USPS refers to as a "flat" envelope. Therefore, USPS will ask you to mail them rather than ship them. The …Moving can be expensive. Our guide breaks down the best moving companies that off flat fees to help you stay in budget. Expert Advice On Improving Your Home Videos Latest View All ...The bubble mailer counts as an envelope if its thickness is 3/4 of an inch or less. Yet, it qualifies as a package if it measures more than 3/4 of an inch thick after packaging. This straightforward differentiation can not only prevent confusion but also guarantee a smooth delivery experience.According to experts in the established financial fields, until a few months ago all forms of crypto investment were considered a serious risk. It was an unknown quantity. It was a...Bubble Mailer Specifications and Features: –12-1/4" (L) x 17-3/4" (W) usable inside dimensions. –Bubble liner for added protection. –Lightweight to reduce postage. –Self–sealing fold–over flap. Get everything you need to ship packages at the Post Office™ with our ReadyPost® Shipping Supplies. Pack and protect your shipment with ...My usual packages are 6" x 9" about 1/2" thick 3 - 5 oz. They have to be sent as a PACKAGE / thick envelope. I took one to the counter, to verify, and the post person showed me how it has to slide through the 3/4" slot, and has to be flexible up to 1" to qualify for that class of mail (package/thick envelope, first class).Shipping Info. Please Note: This is a Pack of 36 ReadyPost® Bubble Mailers, each mailer measuring approximately 19" (L) x 12-1/2" (H). An order of 1 equals 36 mailers. Bubble Mailer Specifications and Features: –12-1/4" (L) x 17-3/4" (W) usable inside dimensions. –Bubble liner for added protection. –Lightweight to reduce postage. 3-6. Nonmachinable Criteria. A letter-size piece is nonmachinable if it has one or more of the following characteristics (see DMM 601.1.1.2 to determine the length and height of a mailpiece): Has an aspect ratio (length divided by height) of less than 1.3 or more than 2.5. Is polybagged, polywrapped, or enclosed in any plastic material, or has ... Is your mail a postcard, letter, flat or parcel? Here's the quick answer: A postcard is a card (not an envelope) that fits ALL THREE of the following: 3½ - 4¼ inches tall; and, 5 - 6 …Rigid mailers are rigid envelopes used for mailing important documents, photos, art, and other flat items. These rigid mailers prevent bending, crushing, or any other type of …In summary, when selecting the right bubble mailer, factors to consider include the size and shape of the mailer, the thickness of the film and bubble layer, the weight and shape of …Here are the sizes of bubble mailers available at USPS: ReadyPost Bubble Mailers Small – 12 x 8.5 inches, available in packs of 24 for $35.80. ReadyPost Bubble Mailers Medium – 16 x 10.5 inches, available in packs of 24 for $43.80. ReadyPost Bubble Mailers Large – 19 x 12.5 inches, available in packs of 36 for $79.00.Bubble mailers are usually not as rigid as flat rigid mailers; however, they’re water resistant and can greatly minimize weather and environmental damage. These can …As I said earlier, bubble wraps or mailers are not free. Bubble wraps are somewhat cheaper as each pack costs about $27.00. On the other hand, bubble mailers are expensive. You need about $79 per package for a pack of large bubble mailers and $35.80 for the medium ones. One way to save costs is to buy physically from the post office.Weight and Size: Winner: Poly Bubble Mailers. Poly bubble mailers are lighter and more compact than paper padded mailers. Comparing two of these mailers - an 8.5 x 10.75" bubble mailer and an 8.5 x 11" padded mailer: The bubble mailer weighs 0.8 oz and the padded mailer weighs 2.2 oz. A case of bubble mailers holds 100 units and weighs 5 lbs.Bubble Mailer Specifications and Features: –12-1/4" (L) x 17-3/4" (W) usable inside dimensions. –Bubble liner for added protection. –Lightweight to reduce postage. –Self–sealing fold–over flap. Get everything you need to ship packages at the Post Office™ with our ReadyPost® Shipping Supplies. Pack and protect your shipment with ...

For instance, 4-6 medium shirts will easily fit into a 10" x 13" flat mailer, but only about 3-4 will fit into a padded mailer. Consequently, adjust the size of your mailer bag accordingly based on the type of padding you will use. If a small, fragile item requires cushioning, we recommend that you use a bubble mailer.. Sound of freedom showtimes near northwoods cinema 10

is a bubble mailer considered a flat

With Priority Mail, a bubble mailer as opposed to a box will only save money in so far as the vessel weighs less and adds less to the total weight/cost. Add the cost of insurance to your 'handling'. The handling part is the problem. It can only be applied across the board no matter what shipping is chosen.In the event that your envelope can be considered to be an envelope, and weighs less than 1 ounce then you can put an $0.55 permanently stamp to the mailer to drop off it at the post office the way you normally would. ... It is recommended to use bubble mailers for something that is flat, small, and doesn’t require an excessive amount of ... Determining the processing category of a mailpiece (letter, flat, or parcel) is dependent solely on the physical dimensions of the piece with­out regard to address placement. If an envelope exceeds any of the physical dimensions, or 3.5 ounc­es in weight, it is classified and priced as a large envelope (flat). Q. The only technical difference between them and other envelopes should be that its non-machinable (so has to be hand sorted) and has an additional fee on top. The unfortunate thing is, however, is that most USPS employees apparently have no idea how to deal with the bubble mailers. Their responses are wildly inconsistent.Poly bubble mailers are lighter and more compact than paper padded mailers. Comparing two of these mailers - an 8.5 x 10.75" bubble mailer and an 8.5 x 11" padded mailer: The bubble mailer weighs 0.8 oz and the padded mailer weighs 2.2 oz. A case of bubble mailers holds 100 units and weighs 5 lbs. A case of padded mailers holds 100 units and ...Concerns over a housing bubble have been brewing for months. But are they warranted? By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners...The most common way to recycle bubble roll is by dropping it off at a store with a soft plastics recycling bin. Be sure to remove all labels by cutting them out and disposing in the trash. Deliver the bubble wrap or bubble mailers along with other flexible plastics to a recycling drop-off site, which can be found at grocery stores and ...At this writing, the postage rate for flats is $1.00 for the first ounce, and $0.21 for each additional ounce. So the postage required for an 8-ounce flat is $2.47. What does USPS consider a bubble mailer? Bubble Mailers and Envelopes are Considered Packages When They’re 3/4 Inches Thick or More.Are you in the market for a 1 bedroom flat to rent in Bellville? With its convenient location and affordable housing options, it’s no wonder that many people are flocking to this v...In all 3 cases, the 4x7 bubble mailer had a single card in a penny sleeve and top loader and weighed less than 1 ounce. Card 1 - standard envelope + non-machinable surcharge ~$0.80 Card 2 - package ~$4.50 Card 3 - large envelope ~$1.20 As far as I can tell, all 3 envelopes were the same size and weight, including thickness.A bubble mailer is considered an envelope if it is 3/4 of an inch thick or less when packed. A bubble mailer that is more than 3/4 of an inch thick should be …Determining the processing category of a mailpiece (letter, flat, or parcel) is dependent solely on the physical dimensions of the piece with­out regard to address placement. If an envelope exceeds any of the physical …When your bubble mailer envelope increases in size, it will be considered a package. Therefore, a bubble mailer wider than 3/4 of an inch is counted as a package at the post office. The post office charges customers differently for bubble mailer envelopes and packages.Jeremy Grantham expects the historic bubble in stocks, bonds, and house prices to end with an epic crash and an economic catastrophe. Jump to Jeremy Grantham has warned the implosi...A 6×9 manila envelope’s weight can be up to one ounce without adding on an additional stamp. An envelope that’s up to 3.5 ounces will require an extra stamp, according to United States Postal Service’s parcel limitations. Your envelope should have a gum flap, peel-and-seal, or clasped opening. Seal it firmly and insert it into your ...Bubble mailers are pretty much considered package rate. Doesn’t matter about weight, it’s size. I have companies that send them out by weight at like $2.50, but the bubbles make them thicker which raises the price to around $5.00. ... Accidentally mailed flat-rate padded Envelope as flat-rate envelope upvote ...This is the Priority Mail Flat Rate® Padded Envelope. It is lined with bubble padding to provide a little extra protection to the package contents. This padded envelope is a great choice for shipping at the flat rate price. Please Note: This product ships in packs of 10 envelopes. An order of 1 equals 10 envelopes.If your bubble mailer is considered a package, you’ll choose between USPS First Class, USPS Retail Ground, Priority Mail and Media Mail. ... You paid for a Flat Rate Envelope (the $6.55 option) but used a Padded Flat Rate Envelope, which costs $7.10. This is tricky, as padded envelopes say “Flat Rate Envelope” in large font and ...Nov 22, 2023 · Here are the sizes of bubble mailers available at USPS: ReadyPost Bubble Mailers Small – 12 x 8.5 inches, available in packs of 24 for $35.80. ReadyPost Bubble Mailers Medium – 16 x 10.5 inches, available in packs of 24 for $43.80. ReadyPost Bubble Mailers Large – 19 x 12.5 inches, available in packs of 36 for $79.00. The cost of sending a bubble mailer via Priority Mail depends on the weight and the zone, ranging from $7.70 to $13.75. Priority Mail Flat Rate: This is a special service that allows you to send packages of any weight (up to 70 pounds) for a flat rate, as long as they fit in one of the USPS-provided boxes or envelopes..

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