Fintie Armband for iPhone 7 Plus / 6s Plus / 6 Plus, Sweatproof Sports Armband Running Workout Arm Band Cover with Key/Credit Card Holder for iPhone 7 Plus, 6S Plus, 6 Plus - Gray Designed specifically for the iPhone 7 Plus / iPhone 6 Plus/ iPhone 6s Plus. Great for exercising! This is a case and sports armband hybrid. Stays put while you run to keep your phone secure and protected. Lightweight, and created from soft neoprene that is molded to twist and bend while active but will not stretch out of shape. Dual strap positioning allows for adjustments ranging from Size 1: 9-11in [22.9-27.9 cm] to Size 2: 11.5-14in [29.2-35.6 cm]. Touch screen is fully functional through the protective clear cover. Water Resistant and sweat-proof to better protect your mobile phone and make you feel more comfortable while working out. Special Features: Built-in key holder to minimize carrying extra items while you exercise. Contains reflective edges as a safety precaution when exercising outdoors in the dark. Available in a variety of bright and fun colors.