This 2" thick non-folding Phthalate free rest mat is made from high density D31 foam & 10-mil vinyl. This mat meets the strict CA Fire Code #117. Each mat has 1 sewn outside seam and no outside binding for children to pick at or tear loose. Each mat has a Tyvek name tag sewn on the end and is proudly made 100% in the U.S.A.