Description: You can easily use this paper perforation protector due to its self-adhesive design; and it can solve the problem of paper tearing and insecurity due to its high quality material. Designed to reinforce hole punching locations and round hole repair on loose-leaf pages, this paper repair sticker is extremely practical and features a hollow round hole design. Constructed of PVC material, it is durable to use. The inner diameter is 6mm, and the out diameter is 15mm. It can be used to repair loose leaf round holes and reinforce punching position. Item Name: Paper Repair Sticker Material: PVC Features: Self-Adhesive, Reinforcement, Round Shape Size Details: Inner Diameter: 0.6cm/0.24" (Approx.) Outer Diameter: 1.5cm/0.59" (Approx.) Notes: The quantity is about 250pcs, due to manual calculation, the quantity might has 1-5pcs more or less, hope you can understand, thank you. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Box of Paper Repair Sticker (Total 250Pcs)