The sporty armband is specifically designed for Iphone 3g / 4. It provides complete protection for your Iphone. Via the armband strap you can enjoy music and will never miss a call while jogging running exercising or working out. It is unique design to allow easy access to all functions without having to remove the skin. The adjustable strap lets you adjust your arm band for maximum comfort. The sporty armband is perfect to carry and protect your Iphone as you are doing sports or working out. - Material: mesh cloth + terylene - Durable & lightweight - Perfect for biking jogging walking or working out - Unique design allows easy access to all functions without having to remove the skin - Stays secure with the adjustable strap