PUZZLE MATS SET CONTAINS 18 SQUARE PADS FOR OPTIMAL FLOOR PROTECTION The foam pads are sound absorbing shock absorbing thermally insulating waterproof The size of each mat 1181 1181 inches the area after assembly 16 sqft HIGH DENSITY EVA FOAM CUSHION Ideal floor for childrens room playroom classroom nursery playgym gym exercise equipment garage etc FLEXIBLE ADJUSTMENT EASY TO COMBINE Interlocking puzzle playmats are infinitely expandable Can be freely cut and combined into different shapes and sizes as needed PROMISE FROM PROFESSIONAL MANUFACTURER Yostrong Foam floor tiles are CE tested nontoxic and manufactured to strict standards Safe and reliable as crawling mat play mat and exercise mat PERFECT AFTERSALES SERVICE SYSTEM No matter if you have any problems when ordering or using please feel free to contact us We will serve you within 24 hours and your problem will be properly resolved