Coavas Wall Sticker Peel and Stick Dry Erase Message Board Decal, 17.7 X 78.7-Inch, White Board with Black Pen STRONG ADHESIVE: Made of High Quality Adhesive, Will Not Fall off Easily. EASY TO ERASE: Fit for Smooth & Clean Surface, Easy to Wipe, Will Not Get Dirty. DURABLE USE LIFETIME: Made of High Quality Thicker Material, Can Use Longer, and Easy to Write on. EASY TO REMOVE : It Works Great on Any Smooth Surface, Easy to Put on & Peel off, You Can Remove to Anywhere You Want. 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.