Features: Hole protection sticker for loose leaf paper, the paper is not easy to be damaged when turning over, convenient to use. Widely used in file holes protection, important days marking, diy photo album, notebook important points marking, envelope pasting, etc. PVC waterproof and self-adhesive material, can be used to repair loose leaf round holes and reinforce punching position. The two labels are pasted each other, which can be used as hanging hole, no need to punch and bind, protect precious documents and photos. 6mm inner diameter, 15mm outer diameter, 250 labels/box. Specifications: Color: White/Transparent(optional) Material: PVC Quantity: 250 Labels/Box Internal Diameter: 6mm / 0.24in External Diameter: 15mm / 0.59in Package Size: 5 * 5 * 2cm / 2.0 * 2.0 * 0.8in Package Weight: 20g / 0.7oz Packing List: 1 * Box of Sticker