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.

Complete guide to USPS flat rate box sizes and 2025 pricing. Compare Small, Medium, and Large flat rate boxes and find out when flat rate saves you money.

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 commercial; for a small Flat …

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

Apr 8, 2025 · Streamline your shipping with USPS Flat Rate Boxes! Our guide covers everything you need to know about these cost-effective, weight-agnostic boxes for seamless deliveries nationwide.

Jan 15, 2026 · 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, and …

Explore our comprehensive guide to USPS Flat Rate shipping options. Learn about the different box sizes, envelope dimensions, and pricing to determine the best choice for your shipping needs, …

Discover USPS flat-rate box dimensions—small, medium, large, APO/FPO tiers—and when flat-rate boxes offer the best value. Includes dimensions, weight limits, and specialty options.

Mar 26, 2026 · 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 U.S.—just …

Flat-Rate Package Options