Features: High Frequency Electronic Tag: Our label stickers feature a high frequency electronic tag that ensures accurate and efficient tracking of library books and warehouse inventory. Waterproof and Long Lasting: Our label stickers are designed with a waterproof and long lasting material that can withstand harsh environments and extended use. Double Sided Lamination Process: Our label stickers feature a double sided lamination process that provides extra durability and protection against wear and tear. Wear-resistant Strong Adhesive: Our label stickers use a wear-resistant strong adhesive that ensures the label stays securely attached to the item it is placed on. After-sale Service:If you have any questions about our products please feel free to contact us and we are always ready to help. We will resolve your problem as soon as possible. Specification: Material: PET Capacity: 1K bytes Working Frequency: 13.56MHz Notes: 1. Due to the lighting effects and shooting angles there is a color difference in the product please understand. 2. Due to manual measurement there is a tolerance in the product size. includes: 1pc *Electronic Tag (not a roll)