Coavas White Board Sticker, Peel and Stick Dry Erase Message Board Decal for Home and Office with a Black Pen White Board Sticker -- SIZE AND THICKNESS: 78.74*17.7 inch (L*W),can purchase several rolls to get different display effect. Thickness: 0.18mm White Board Sticker -- MULTIFUNCIONAL: have the traditional white board function, and also have the function of saving space, convenient to carry, can post on the arc-shaped surface, can display into any shape,and also can work on a magnetic board. White Board Sticker -- BEST WORKING PARTENER: can used as a projector curtain wall, post the white sticker on the wall directly. You can check the installation video before using the sticker. White Board Sticker -- CHILDREN DRAWING DESK: post white sticker on the desk, kids can enjoy their free style drawing and the parent wont worry about the dirty problem. White Board sticker -- SUITABLE SURFACE: painted wall, ceramic surface, smooth glass surface, metal surface, iron surface, smooth wood surface, etc. Not suitable for ash wall, lime wall, rugged wallpaper,etc.