PLEASE NOTE THIS ITEM CANNOT SHIP VIA 3 DAY DELIVERY. The ideal stretching and exercise mat. Use for aerobics or under your yoga mat for extra cushioning and to protect yourself from hard floors. Beveled edges have sealed, finished borders on all 4 sides. Durable yet soft 38' thick can be rolled for storage. Black pebble finish. 60'L x 24'W x 38' thick.