One of the things you can use is a plastic crate that is marked as a container.

Smallest box you can ship usps. 9/1/2018 the priority mail flat rate® small box is about the same size. Large, light items are cheapest when shipped with usps priority mail. The smallest box has a minimum length of 6 inches and a minimum height of 4 inches.

This means that two sides of your package need to be entered in as at least 6 inches, and 3 inches (respectively). Usps retail ground pieces may measure up to 130 inches in combined length and girth (but will be charged. Except for usps retail ground and parcel select, no mailpiece may measure more than 108 inches in length and girth combined.

6 x 3 x 0.25″. The smallest size allowed is 6″ x 3″ x.25″. Except for usps retail ground and parcel select, no mailpiece may measure more than.

Single, pack of 10 or 25. At least 3 inches high x 6 inches long x 1/4 inch thick. (to get a clearer picture upfront of how you can save on usps shipping rates by using shippo, feel free to check.

Shippingschool.com states that usps can accept smaller packages than 6x3x3 inches. Enter the smallest measurements, print this out, and adhere it. Plus, you can schedule a usps ® pickup from your home or office.

Priority mail flat rate® small box single, pack of 10 or 25 size: How to ship a package expand all step 1: Try to stick to standard sizes and you'll avoid paying fees for.