"Waterproof Shipping Labels With Trueblock And Sure Feed, Laser Printers, 2 X 4, White, 10/sheet, 50 Sheets/pack | Bundle of 5 Packs"

Durable, waterproof, UV-resistant polyester labels provide strong protection from harsh environments and conditions -- resisting moisture, scuffing, tearing and smudging. Ultrahold Adhesive sticks to more tough surfaces ensuring your label doesn't fall off your package. Labels with TrueBlock Technology are guaranteed to completely cover everything underneath so you can re-use mailing tubes, boxes and more! Extra-strong adhesive adheres to metal, plastic, glass and more. 8.5" x 11" sheets for laser printers.