Whether utilized for crawling or tumbling, this beautiful, hand crafted gym mat will endure years of rugged use. Made of 1 3/8" polyethylene foam with 21 oz. vinyl coated nylon and 2" velcro fasteners. High tenacity nylon thread and double folded seams and hems. Five year guarantee. Available in four sizes and Velcro on either 2 ends or 4 sides. Mat colors may not be precisely as pictured.