Priority Mail, including Priority Mail Flat Rate shipping products, has fast shipping times (1, 2, or 3 business days) with flexible prices. Get free flat rate boxes and print postage labels online.

The Priority Mail Flat Rate® Top-Loading 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 25 boxes.

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

Priority Mail ® service offers a variety of Flat-Rate Boxes and Envelopes that ship for the same price to any domestic address, regardless of how much they weigh or how far they’re going. Prices vary by product, as shown in the table below.

Online Shipping; Ship to USPS Smart Locker; Label Broker; Custom Mail, Cards, & Envelopes; Postage Prices ; Mail & Shipping Services; Priority Mail Express; ... Priority Mail® Forever Prepaid Flat Rate Side-Loading Medium Box. Includes Customer's Return Address. 14-1/8"(L) x 12"(W) x 3-1/2"(H) $19.15 Priority Mail Flat Rate® Large Box.

Shop our selection of Boxes, Flat Rate Shipping Supplies on the USPS.com Postal Store

Feb 1, 2021 · USPS Priority Mail Flat Rate boxes are an easy-to-use, cost-effective shipping option. You can easily ship like the experts; just know the USPS Flat Rate box sizes, prices, and how it works before you buy.

Sep 18, 2019 · USPS Priority Mail Flat Rate is a sub-service of Priority Mail, where shippers pay "flat" fees to ship items in specific boxes or envelopes up to 70 pounds.

Feb 26, 2022 · What Is Flat Rate Shipping? The USPS two flat rate shipping services: Priority Mail Flat Rate: Delivers in 1 to 3 business days using USPS provided boxes and envelopes. Priority Mail Express Flat Rate: This express option has an overnight delivery guarantee. The flat rate is only limited to envelopes, but you can fit small boxes or books into ...

Jul 5, 2022 · USPS Priority Mail Flat Rate Large Box. The USPS Flat Rate Large Box is really going to come in handy when you’re shipping larger, heavier packages; it’s going to be cheaper than weight-based options for packages weighing more than 25 pounds to most zones, even when it comes to those further zones.