Post-it Dry Erase Surface - 4' x 3'Post it Dry Erase Surface 3 ft x 4 ft. Post it Dry Erase Surface is the instant, flexible whiteboard solution. Transform any horizontal surface, in addition to non traditional areas, to collaborate in new spaces! Refinish an existing whiteboard or chalkboard to a new, clean surface. Simply unroll, peel and stick no tools required! Product Details: Easy to install just unroll, peel & stick, Think big cover an entire wall to inspire collaboration, Stain