Avery Permanent Durable ID Labels With TrueBlock, 6575, 8 1/2" x 11", White, Pack Of 50 - Make it easy to identify the contents of boxes and bins, mark equipment and property, or create signage in the workplace with Avery Durable ID Labels. Featuring proprietary TrueBlock Technology, labels completely cover up distracting marks or existing labels on surfaces for a clean, professional look. These labels stand up to frequent use and resist moisture, scuffing, tearing and smudging.