Use our Priority Mail Flat Rate Envelopes or Boxes that come in standard sizes so you don't have to worry about measuring them.Pay the same price for mailpieces weighing up to 70 lbs going anywhere in the U.S.Size: 13.5″ x 11.5″ x 3″, good for shipping notebooks, books, t-shirts, chocolates, promises you don’t intend to keep…Weight, Size, & Shape Requirements Use USPS Priority Mail Flat Rate packaging and pay one price: Size: 11″ x 8.5″ x 5.5″, great for shipping care packages, books, whatever.

Size: 8.5″ x 5.5″ x 1.5″, approximately the same size as a VHS tape (for those of you who have seen those firsthand) Size: 12.5” x 9.5”, large enough for a regular size manila envelope Size: 15″ x 9.5″, a good choice for all legal size documents Size: 12” x 9.5”, large enough for a regular size manila envelope Weight limit: 70lbs domestically, 4lbs internationally. You could probably fit a smaller greeting card in it as well Size: 10” x 6”, slightly larger than a regular #10 envelope. For information about shipping internationally, including prices and restrictions, see my International Shipping page.Īlso, please do not ship cats in boxes. Please note: All of these prices are for domestic shipping only. Simply call us to get more information or visit our supplies page to order from us online! USPS carries many varieties of non-flat rate boxes and upon request, Mail Services can keep them in stock. All of the supplies shown below are available in the Mail Services, and are free for campus business (you’ll have to pay for postage when shipping, but the box or envelope is free). You know that saying, “if it fits, it ships”? This is the service they’re referring to.Īs long as the contents of the box weighs less than 70 lbs and you can close the box for secure shipment, the price will not change.

Flat rate priority mail