Simply unroll, peel and stick to create a dry erase surface! Easy to install no tools required. 3M stain-proof coating writes smoothly and erases cleanly. Surface can be cut to fit any space. Adheres to any vertical or horizontal hard, flat surface. Works on surfaces where whiteboards can't be installed, such as desks, tablets and windows. Replace old dry erase and chalkboard surfaces. Apply on top of existing surfaces for a brand new board. Includes Post-it dry erase cleaning cloth for everyday cleaning. Post-it Dry Erase Board Surface, 24 in. x 36 in. Made by Post-it.