Features: 【Transparent Design for Easy Viewing】Crafted from highly transparent PVC, ensuring label contents remain clearly visible while addressing the wear and tear issues common with traditional paper labels. 【Adhesive Backing for Secured Attachment】Features a strong adhesive backing for effortless application without additional tools, preventing label detachment due to insufficient stickiness. 【Multiple Purpose indexing Card Holders】Supplied in sets of 20 with multiple size option to meet diverse filing and book categorisation needs. 【Waterproof Durability for Long-Lasting Protection】PVC offering excellent water resistance, effectively shielding internal labels from damp environments. 【Flexible Application with Broad Compatibility】Suitable for diverse surfaces including paper, plastic, and metal, providing extensive usage possibilities. Specifications: Component： PVC transparent adhesive and waterproof Size: about for 10.3x6.3cm/4.05x2.48in 10x8CM/3.94x3.15in 11.1x8.9CM/4.37x3.5in Quantity: A set contains 20 label bags Practicality: Widely used in office, school and home sorting, Package Includes: 20pcs PVC adhesive backing card cover label bag note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.