Practice balancing, tumbling, and cartwheels and try to stay on the line! Durable 1-3/8" closed-cell cross-link polyethylene foam mat with vinyl-reinforced nylon fabric. Shock-absorbent, high-density foam won't bottom out, excellent for tumbling or high-impact activities. Mat has double-sewn seams, Velcro® on two ends, and is fire-resistant, washable, and mildew-proof. 10'L x 5'W; 28 lb.