Priority Mail, including Priority Mail Flat Rate shipping products, has fast shipping times (2-3 days) with flexible prices. Get free flat rate boxes and print postage labels online.

6 days ago · This guide covers everything you need to know about USPS Flat Rate Box dimensions and pricing. You’ll find the exact measurements for each box size, learn which …

Sep 12, 2025 · USPS Flat Rate Boxes provide predictable, zone-independent pricing for packages up to 70 lb. For a large Flat Rate Box, expect to pay $24.75 retail or $19.51 …

USPS postage rates offer low-cost mailing and shipping prices for domestic & international customers. See Forever postage stamp prices and other postage rates.

Sep 8, 2025 · That’s where USPS Flat Rate Boxes come in a simple solution where you pay a flat fee, no matter the weight or distance. In this guide, we’ll break down the different sizes, prices, …

Jan 22, 2025 · USPS Flat Rate Boxes offer a simple, affordable shipping option across the U.S. and internationally. Learn about sizes, rates, and how to get the most value from flat rate …

The Priority Mail Flat Rate® Medium Box is an easy way to ship featuring predetermined rates regardless of weight (domestically) or destination. This item ships in single, or a pack of 10 or …

Oct 14, 2025 · USPS Flat Rate packaging includes standardized boxes and envelopes that let you ship up to 70 lbs at one flat rate. Prices are fixed regardless of weight or destination within the …

Shop our selection of Priority Mail Shipping Supplies on the USPS.com Postal Store

Tracking and insurance are included, shipping boxes and envelopes are free, and with Priority Mail Flat Rate ®, you don't need to weigh shipments 70 lbs and under.