$8.45 medium flat rate box (top loading) dimensions:

Smallest box usps will ship. Single, pack of 10 or 25. 8 5/8″ x 5 3/8″ x 1 5/8″ brochures. Except for usps retail ground and parcel select, no mailpiece may measure more than.

At least 3 inches high x 6 inches long x 1/4 inch thick. These boxes are ideal for packing things like books, cds and dvds, and small appliances. What is the smallest box you can ship usps?

What is the size of a small shipping box? Usps small flat rate box dimensions: At least 3 inches high x 6 inches long x 1/4 inch thick.

A second postage rate increase from usps 2021 for postage purchased at the post office, the rate for a first class mail letter (1 oz.) will increase by 3 cents from $0.55 to. 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.

What are usps flat rate boxes? Small — small boxes measure 16” x 10” x 10”. 12 1⁄4″ x 12 1⁄4″ x 6″.

The maximum size for most mailpieces is 108 inches in combined length and girth. This rule applies for any usps mail class you decide to ship in. When shipping a box, the minimum dimensions are 6x3x0.25″.