Creative Colors Rest Time Mats are Phthalate-free, with only 1 sewn outside seam. Higher durability than "heat-sealed" or "radio frequency sealed" seams with no outside binding for children to pick at or tear loose. Tyvek® name tag sewn on end. Made from high density D31 foam & 10-mil vinyl. Meets the strict CA Fire Code #117. 1-Year Warranty. Non-folding, 1 section, blue. Measures 48"L x 24"W x 2" Thick.