Avery 8163 Inkjet Labels, Shipping, Permanent, 2"x4", 250/PK, WE Sold as 250/Pack. UltraholdTM Adhesive sticks to more tough surfaces, ensuring your label doesn't fall off your package. Bright white labels with TrueBlock Technology are guaranteed to completely cover everything underneath so you can re-use mailing tubes, boxes and more! Easy to customize with free templates and designs from Avery Design & Print. This product was made from wood sourced from a certified managed forest.