This Post-It Dry-Erase Surface White Film Roll is an instant, flexible whiteboard solution that 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. This dry-erase surface is easy and requires no tool to install. Simply unroll, peel and stick. Utilizing a proprietary dry-erase coating, this Post-It Dry-Erase Surface White Film Roll is stainproof, erases cleanly every time and writes smoothly. Use anywhere from horizontal applications on desks or tables to vertical applications on surfaces where traditional whiteboards cannot be installed, such as windows. Cut to fit for endless possibilities for dry-erase solutions in new places. This Post-It Dry-Erase Surface White Film Roll is great for replacing old dry-erase surfaces that may be ghosted. Simply apply over the existing board, and it looks new again.