Our baby crawling mat is made of premium pe material, BPA free, non-toxic, no chemical, Baby's safety is the most important thing for us. Anti-slip particles at the backing design of the baby mat provide sure footing and a safe place for your child to romp around, ensuring your baby's safety. This baby floor mat has 8mm thickness, very soft, Don't worry about the baby feeling cold when crawling on the ground. Our baby playmat is specifically designed for babies, While providing protection for babies, it can also stimulate their curiosity to explore and promote your baby s early education.