
box dimensions: 11” x 8-1/2” x 5-1/2” (28 x 21.6 x 14 cm)īox is ideal for bunch of standard sized magazines, books, autoparts or any small but heavy items. USPS flat-rate box MEDIUM - medium size box two tshirts, small electronics without retail box (mostly used stuff purchased on eBay), compact cameras, cell phones etc. Note: Forwardo provides 50% discount on fees for consolidated shipping if the shipment fits the envelope. Envelope cannot be deformed much otherwise envelope would lose its status of flat rate and would be charged standard PMI rates which is more than twice as much. envelope can fit tshirt, small book or couple of magazines. These flat rates are provided only within USPS Priority Mail International (later just USPS PMI), they cannot be used with Express shipping Anything that fits the packaging and is upto weight limit ships for one flat price. All packaging is provided by USPS free of charge. In 2008 USPS introduced new format of shipments called Flat-Rate.įlat rate envelope or package has fixed format, there is one size of envelope and three formats of cardboard boxes that you can ship for fixed price.

Contact your Business Mail Entry Unit for more information. There are special size requirements for mailing flats atĬarrier route prices. USPS Marketing Mail Carrier Route flats."High" (the height) is the side perpendicular to the length. What is long? What is high? For flats, "long" (the length) is the side parallel to the address as read.If so, you can save money because you'll pay the lower letter price. Is it possible to fold your flat-size piece to More about Physical Standards for Commercial Flats The higher the weight the higher the postage, especially for First-Class Mail. The maximum size for a flat provides plenty of room to put lots of material in the envelope. * Large Envelopes exceed one or more of the letter size maximum dimensions.


The Postal Service uses the word "flats" to refer to large envelopes, newsletters, and magazines.
