The transparent adhesive label is easy to apply and can be used on a variety of surfaces, including book spines and other flat surfaces. The waterproof design ensures that the barcode is protected from water damage, making it ideal for use in classrooms, offices, and libraries. The high transparency of the protector ensures that the barcode remains visible and legible, even after prolonged use. Features -Color:Light Yellow -Material:PVC self-adhesive -Size:5.00X5.00X0.01cm/1.97X1.97X0.00in -Note: 500pcs a roll. -Transparent and waterproof label protector, on files, folders, and other office supplies. -Designed to protect barcode of library books, ensures that the barcode remains legible. -Protects book barcodes in libraries from wear and tear. Can withstand long-term use. -Made of a transparent protective film that is suitable for barcodes, book spines, and other flat surfaces. -Easy to apply and remove, no residue. Lightweight design for easily carry. Package list: 1 x roll of label protectors