Create attention-grabbing displays! The same sturdy, lightweight stock as our corrugated project boards, these slotted headers attach easily and securely for prime, attention-grabbing display space. Smooth, white surface has a matte finish that easily accepts markers, crayons, paints, and adhesives. Back is brown kraft. Measures 10″ high x 36″ wide. Fits our 18″ x 48″, 24″ x 48″ and 36″ x 48″ 1 ply corrugated project boards. Pack of 24