Shipping made fast and easy. For use with popular internet shipping software and services such as USPS click-n-ship, USPS shipping assistant. Efficient design combines the shipping label and paper receipt onto one sheet, so you’ll never have to waste another label to print the receipt. 8-1/2" x 11" sheets for laser or inkjet printers. Usps, click-n-ship and USPS shipping assistant are registered trademarks of the United States Postal service. It is a registered trademark of stamps.Com, Inc. It is a registered trademark of United parcel service of America. It is a registered trademark of Federal express corporation.