WARN: wipe the smooth surface (non-gypsum wall, etc.) with a damp cloth before use SPEND LESS, GET MORE：KDG adhesive chalkboard vinyl contact paper is 7 FEET long (17.7"W x 84"L) EASY TO USE: KDG wall stickers chalkboard vinyl contact paper easy to cut in a straight line using grid-lines on the back to measure. WIDELY USED: KDG blackboard wallpaper suitable for smooth, clean and flat surfaces, including cafe menu, kitchen & food labels , specials board, restaurant menu, desks, books, boxes, cabinets, refrigerators, containers, dressers, etc. PRACTICAL & STYLISH: KDG wall sticker chalkboard wallpaper thousands of uses ranging from kindergarten, pre-school, primary school，junior high school, middle school, college & university chalkboard wall sticker