Transparent & Writable: Made of premium PET material, waterproof and no smell. Transparent design means it never hides any information you've highlighted. It is writable and smooth writing, you can use it to write or highlight. Colorful Markers: Color sticky page markers, use it to highlight and highlight important information, different colored index labels are eye-catching for you easy to find. Save time, improve your work and study efficiency. Multiple uses: These index tabs can be used for filing office files, note taking tool for students and daily memo sticker, it is recommended to write with a ballpoint pen or pencil. Perfect gift: Beautiful and impressive sticky index tabs will bring more fun to your life, it will be a cute gift, also will be welcomed with students, office workers, teachers, families, colleagues and so on. Delivery Quantity: 4set (800pcs) Package Contents: Only the above package content, other products are not included. Size: overall: 20*8.5cm; each piece: 4.5*1.2cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: as picture shown (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)