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 dry-erase board. Easily install Post-it Super Sticky Dry-Erase Surface. It requires no tools. Simply unroll, peel and stick. Utilizing 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 on surfaces where traditional whiteboards cannot be installed, such as windows. Cut to fit for endless possibilities for dry-erase solutions in new places. Post-it Super Sticky Dry Erase Surface is great for replacing old dry-erase surfaces that may be ghosted. Simply apply over the existing board, and it looks new again.