Create your own customized labels quickly and easily with these Internet Shipping Labels featuring TrueBlock technology. This large pack is great for high-volume shipping and mailing, as well as for homemade gifts, storage containers and more. These labels work with most popular shipping software and services such as USPS Click-N-Ship and Shipping Assistant, Stamps.com Online Postage, UPS.com and Fedex.com. With our TrueBlock technology you can cover up everything underneath the label, letting you reuse boxes, while offering a bright professional appearance. Optimized for laser printers, it's easy to customize your labels with logos, graphics or images using the free printable templates and designs at avery.com/templates.