HESGI SPORTY Armband + Key Holder for iPhone 4/4S And 1 Free Clear Screen Protector Front Back Silver Perfect fit for: Apple iPhone 4/4S. Does not fit the iPhone 4 4S, 3, 2, 1. Phone/earphones/extender not included. Armband Extender available separately. Material: Lightweight soft neoprene that is molded to twist and bend but will not stretch out of shape. Washable with gentle soap and water, then air dry. Can keep sweat away from your phone. Functionality: Exercise your right to a case is also a Sports Armband. Stays put while you run. Touch screen works through the clear cover! Bonus Safety Feature: Built-in hidden key holder to help you minimize carrying extra things when hitting the gym! Reflective strip around border to enhance 'Jog Safe' precaution. Sizing: Arm band is small enough to fit smaller arms, yet adjustable velcro allows up to about 14" biceps. If this is a plus - get it! Option A: 12.0-14.0" [30.4-35.5 cm] or Option B: 8.0-11.5" [20.3-29.2 cm]