This portable pad is built on a steel platform base with a natural gum rubber playing surface with a dark gray durable finish that resists wear and tear. The 4-inch by 1/2-inch Thick pad is fitted with a 22-inch Leg strap and fits snugly to your leg for anywhere practice and warm-up. The pad base also has a non-skid 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 where and whenever you need it.