About WESCO For more than 30 years, WESCO has been proud to be a leader in children"s developmental products. WESCO specializes in products from preschool products, sport and motor skills, soft furniture, sand and water tables, to playground equipment; educational toys, soft play equipment, and child play mats. WESCO products are fire retardant, easy to clean, extra-safe, and provide the upmost in fun and learning equipment combined in one. * Made of high density foam covered with vinyl * Meets ASTM F963 and CAL TB 117 fire retardant standards * Velcro straps on each sides to join them together * Easy to clean with soapy water * Dimensions: 75L x 75W x 1.5H in.