FEATURE:1,These tiles are non-toxic, BPA-free, phthalate-free, and absolutely safe for your children.2,High-density EVA material,soft and elastic,thickened shock absorption,even if the baby falls down while playing, it won't hurt.3,The surface of the puzzle play mats has a high grip to prevent falls and slips.4,easy to put together and dismantle and store(Configure edging strips).5,Waterproof and Easy to clean with damp cloth and mild soap.6,Cold protection and heat insulation,suitable for all seasons.SPECIFICATION:Material: High-density EVATile Size:25x25cm/9.84"x9.84"thickness：0.8cm/0.31"Number of packages：24pcs,36pcsCoverage area：16.14 sq.ft,24.21 sq.ft NOTE:★★Before first use please leave the mats a few hours outdoors in order the factory smell to go away.★★Our products are made by high-temperature foaming at one time, and slight pores and indentations on the back are normal.★★If you have any questions, you can always contact us.