Window, Size: 10' x 5', for letters requiring visibility. Gift Card, Size: 10' x 7', use for mailing gift cards and oversized greeting cards.ĥ. Legal, Size: 15' x 9 1/2', perfect for legal size documents or small merchandise.Ĥ. Padded mailer, Size: 12 1/2' x 9 1/2', for small electronics, jewelry, DVDs, or portable media.ģ. Size: 12 1/2' x 9 1/2', good for mailing letters and small flat merchandise.Ģ. Delivery time is not guaranteed, however they meet that commitment over 97% of the time.ġ. The cost is the same regardless of the weight and destination. Priority mail is the postal service's 2-3 business day delivery service to most US cities and 6-10 business days for Global. In this article we are going to identify what priority shipping is, discuss the different kinds of these envelopes and boxes and their corresponding prices.

They even came up with a awesome tv promotion - If it fits it ships for both domestic and international priority mails. One of the USPS's advertising methodologies to compete with civilian package shippers is the use of flat rate boxes.

Usps priority mail small flat rate box