Convenient for attaching posters, temporarily holding memos, fixing small items, and more! Material: Synthetic rubber 1 sheet: 55 pieces (approx. 10 extra) (Dimensions per piece: approx. 9 x 11 x 3.2) KOKUYO Tar-380 Doesn't damage walls like thumbtacks do. Securely holds up notices without damaging them. Reusable adhesive that can be peeled off cleanly. Also works as a putty to fill holes, and for preventing slipping and tipping! (Not suitable for uneven surfaces, wallpaper, moisture, dirt, fibrous surfaces, or heavy objects) Thank you for viewing.