the world's most safe eco-friendly XPE material 【 ULTRA THICK, LARGE SOFT FLOOR TILES】0.79 inch thick foam carpet mat playmat baby crawl mat suitable for use from birth, 6 large tiles for babies infants toddlers and adults with a folding play mat measuring 5.58ft*3.77ft which are larger than other puzzle exercise play mats. Strong and comfortable puzzle mat tiles carpet fit and interlock securely and easily. Tummy time play mats are safe enough to prevent baby from slip