Check the listing for details. 3M Post It Dry Erase Surface Self Stick 4'x6'. Condition: New. Listed at 60.99 USD. Instant, flexible whiteboard solution allows you to easily transform painted drywall, glass, painted steel, finished wood or even old dryerase and chalkboards into a dryerase board Easily install Postit Super Sticky DryErase Surface It requires no tools Simply unroll, peel and stick Utilizing a proprietary dryerase coating, this dryerase 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 dryerase solutions in new places Postit Super Sticky Dry Erase Surface is great for replacing old dryerase surfaces that may be ghosted Simply apply over the existing board, and it looks new again.