Spider-BX Galaxy S7 Armband, (TM) Sports Armband for Galaxy S7/Nexus 5X/Sony Z5/iPhone SE/iPhone 6s/Droid Turbo, Key Holder, Sweatproof,Waterproof(Compatible with Cellphone up to 5.2 Inch) Designed specifically for Samsung Galaxy S7 and other cellphones up to 5.2 inch, Lightweight armband keeps your phone secure and protected. Water Resistant and sweat-proof function to better protect your mobile phone, make you feel more comfortable during exercise. Adjustable Velcro band supports a wide range of arm girth from 10.8" (27.5cm) to 17.3" (44cm). Adjustable velcro strap protects and stabilizes device without slipping or constricting. Built in Reflective strip for safe running in low light conditions. Built-in Key holder and Card Slot. Cutouts for easy access to headphones port and controls. A sweat resistant layer prevents sweat and moisture from getting in through any cutouts. Protect your phone with the included silicone skin, installed in seconds. Designed to twist and bend but will not lose the original shape.