Scotch Removable Chalkboard Tape.
Easy to use. Just cut, peel and stick. Write-on with chalk (not included). Erase with a tissue, cloth or eraser. Refresh with a wet cloth. Tape removes cleanly and easily. Recommended for hard, smooth surfaces such as metal, glass and plastic. Not suitable for use on walls or textured surfaces.
Always refer to the actual package for the most accurate information