Durable material is perfect for athletic activities such as jogging, running, biking, walking, and exercising. Full screen protector protects screen from scratches, and still allows touch screen navigation. Multiple layers of padding offer the best in protection. Adjustable Velcro Strap gives you the versatility of wearing your armband in a variety of ways. Full access to all controls & functions. Armband is compatible with upper arm circumference: 10 - 15 inches. Cellphone not included.