Play Right Foam Interlocking Playmats (9 Pieces 12x12) 9 textured and interlocking 12" foam squares Solid square colors include lime green, red blue, pink and purple Foam "puzzle" pieces are each 3/8" thick. Playmats are great for children and also work well as exercise mats for adults! From the East West Distibuting Co., Model #WG29238-1110