It is made of premium PVC for extra durability, waterproof surface remains clean and smooth after years. This decorative contact paper comes with free chalks for you to write and draw, easy to wipe clean using an eraser or a wet/dry cloth. This blackboard contact paper sticks well on most smooth, clean and flat surfaces like plastered wall, painted walls, windows, mirrors, countertops and wooden doors, etc. Easily cut into different shapes to transform any flat surfaces into a blackboard, just use a / to trim it into desired size. Perfect for homeschooling, office or classroom presentation, schedules, to-do lists, labels, decorating restaurant menu boards, etc. Also can be used as a kids room decor, child blackboard, tutoring supplies, kid wall art or home school materials! Multi-functional purpose for any occasions and events.