12×9inch Double-Sided Music Staff Dry Erase Board: one side has three staves. the other side is a blank board used for functions - drawing and writing, alphabet, math, pictionary, keeping scores, or even jotting down quick notes. and an essential tool for education and creativity. This musical answer paddles are very easy to clean and light weight, boards are sturdy(thickness=3mm) enough to withstand frequent use without warping or staining