This portable pad is built on a steel platform base with a natural rubber playing surface with a durable dark gray finish that resists wear and tear. The 4-in. by 1/2-in. thick pad is equipped with a 22-in. leg strap and adjusts to your leg for anywhere practice and warm-up. The base of the pad also has a non-slip rubber base that allows for tabletop practice in addition to the leg strap. And best of all, this pad fits right into your back pocket so you have it wherever and whenever you need it.