This instant, flexible whiteboard solution allows you to easily transform painted drywall, glass, painted steel, finished wood or even old dry-erase and chalkboards into a pristine, dry-erase board. Easily install Post-it Dry Erase Sheets. It requires no tools. Simply peel and stick. Using a proprietary dry-erase coating, this dry-erase surface is stainproof, erases cleanly every time and writes smoothly. Use anywhere from horizontal applications on desks or tables to vertical applications. Cut to fit for endless possibilities for dry-erase solutions in new places.