Tektrum Large Sturdy Advertising Double-Side Sidewalk A-Frame Dark Wood Sandwich Sign Board 20"x40", Free Standing, Easy Erase Writing Surface, For Shops Pubs Restaurants - Liquid Chalk Use Board size on each side: 20" x 40"; Double-side - plenty space for menu/signs Wood A-frame with elegant dark wood finish; Instant setup; Fold back for easy storage Lightweight, portable and durable; Glossy writing surface makes it easy to create and change messages frequently Liquid chalk markers are recommended to use. Just use paper towels and water for cleaning the board - we guarantee that it will clean up perfectly every time without any ghosting Great for shops, cafes, pubs, retail stores, markets, restaurants, and service stations