This includes Priority Mail Flat Rate and Priority Mail Express boxes and envelopes, as well. USPS Will Never Charge You for Priority Mail Packaging They're always free, no matter if you get them at your local Post Office or on.

If you use your own envelope or box for Priority Mail, identify it with the marking, 'Priority Mail.' Priority Mail packaging provided by the USPS must be used only for Priority Mail. UPS typically is a better choice when shipping larger, heavier packages by offering superior value.Ĭan I use my own box for priority mail flat rate?įirst-Class Mail items weighing more than 13 ounces is called Priority Mail. Generally, USPS offers much better rates when shipping smaller packages of less than two pounds. UPS is often more expensive than USPS due to fees and surcharges, especially when it comes to shipping smaller packages. How does flat rate shipping work? To use USPS flat rate shipping, you need to get a USPS flat rate box from your local USPS office (small, medium, or large size), add no more than 70 pounds of contents that fit inside the box, label an address, and ship the box at a USPS office using Priority Mail.1 Cubic pricing is a special USPS service that offers lower shipping rates when sending small, heavy items that are under 20lbs with USPS Priority Mail. What's the cheapest way to mail something?įirst Class Mail envelopes, flat rate envelopes, and USPS Priority Mail offer the lowest rates for small packages. There are two different box types to choose from: 12″ x 12″ x 5-1/2″ Inside and 12-1/4″ x 12-1/4″ x 6″ Outside. The USPS large flat rate box cost is $17.45 when you purchase the postage at a USPS retail outlet, or $15.80 if you get the postage online. How much is it to ship a large Flat Rate box? This will spread the weight of your cargo over two smaller parcels, which can significantly reduce your shipping costs especially if the large box would qualify for large or oversized pricing.

If possible, it's often better to ship two smaller boxes rather than one large, heavy box. USPS Priority Mail Is it cheaper to send 2 small boxes or one big box? What is the cheapest method to ship a package? Priority Mail pieces that exceed one cubic foot, are subject to 'dimensional weight pricing'. For Priority Mail, the price is a combination of weight, size, and how far the mailpiece is traveling.

For First-Class Mail, shape and weight will determine the price.

Price for usps large flat rate box