The Post-it Dry Erase Surface allows you to easily transform painted drywall, glass, painted steel, finished wood or even old whiteboards and chalkboards into a pristine, dry erase board. The Post-it Dry Erase Surface is easy to install and requires no tools - just unroll, peel and stick. Utilizing a proprietary dry erase coating, the Post-it Dry Erase Surface is stain-proof, erases cleanly every time and writes smoothly. From horizontal applications on desks or tables to vertical applications on surfaces where traditional whiteboards cannot be installed, such as windows, the Post-it Dry Erase Surface can be cut-to-fit and provides endless possibilities