COMPATIBILITY:The Evershow armband will fit perfectly Apple iPhone 6/6s (4.7), 5s/SE(4), Samsung Galaxy S6 Edge, S6 and S7 (5.1). UNIVERSAL SIZING: Multi-slot adjustable velcro iPhone armband will fit almost any arm size up to 14. PREMIUM MATERIALS: Made of water resistant, stretch resistant neoprene, the Evershow armband case easily bends, flexes, twists, and folds without warping. Comfort-grip keeps the band firmly on your arm during workouts and running. FUNCTIONALITY: Built-in hidden key holder and card holder, never worry about having to carry your keys, cards or cash in your pocket or losing them at the gym. Touch protective screen for free use even your phone in the armband during sports. Headphone cutouts allows you to fully enjoy the music or pick up the call while walking or running. Reflective strip for safe running in low light conditions. With a flap design to make it better sweat resistant. LIFETIME WARRANTY:100% money back warranty. If for whatever reason you don’t absolutely love your Evershow armband, just return it and we will refund every penny or replace it, no questions asked.