Dry Erase Sports boards help keep you and your workouts, gym, studio, etc. organized. Great for locker rooms, game room walls, home and office. Each dry erase board is framed with a black, plastic frame and is easy to install. Markers used must be dry-erase (not included). Dimensions: 18” x 24” x ½” thick (457mm x 609mm x 12.7mm thick).