MoKo Armband for iPhone X/iPhone 8 Plus / 7 Plus, Water Resistant Sports Running Armband Workout Cover for iPhone X, 8 Plus, 7 Plus, 6S Plus, Samsung S8 Plus, Black (Fits Arm Girth 10.8"-16.5") Fits Apple iPhone X / 8 Plus / 7 Plus and other cellphones up to 6.2 inch. &#9670 Recommend a very slim or no case at all on the phone for optimal fitting. iPhone 7 Plus screen can be activated with the home button, but NOT SUPPORT fingerprint unlock function while inside the armband. &#9670 Water Resistant and sweat-proof function to better protect your mobile phone, make you feel more comfortable during exercise. Adjustable hook and loop band supports a wide range of arm girth from 10.8" (27.5cm) to 16.5" (42cm) and stabilizes device without slipping or constricting. Built in Reflective strip for safe running in low light conditions. Built-in Key holder. Cutouts for easy access to headphones port and controls. A sweat resistant layer prevents sweat and moisture from getting in through any cutouts. Lifetime warranty. Search "MoKo iPhone armband" for other styles and color options offered by BSCstore.