Priority Mail | USPS
www.usps.com › ship › priority-mailMore than 2 cubic feet (3,456 cubic inches): add $25.00. TIP: Use the USPS ® Price Calculator tool to calculate your domestic postage costs. You'll need to know your package’s weight, shape, and size measurements. Calculate a Price More Priority Mail Service Details How to Send a Package: Domestic.
Sizes for Parcels | Postal Explorer - USPS
pe.usps.com › businessmail101Machinable parcels must measure: No more than 27 inches long x 17 inches width x 17 inches high. No more than 25 pounds (35 pounds for Parcel Select and Parcel Return Service, except books and other printed matter which cannot exceed 25 pounds). More about Physical Standards for Commercial Parcels. More about Commercial Parcels - Parcel Select