[Accommodates Most Smaller Phone up to 5.85-inch diagonally and recommended phone screen Size up to 5-inch] Maxboost Armband is made to fit standard size of cellphone, iPhone x, iPhone 8, iPhone 7, iPhone 6s, iPhone 6, Galaxy S9, s8, s7, s6, Google Pixel and their protective slim case. Common case brands that are not compatible include Otterbox and Lifeproof. Please read the description to see complete compatibility. PREMIUM MATERIALS & Universal Sizing: Made of stretch resistant neoprene. The Maxboost Original Armband case for small smartphone easily bends, flexes, twists, and folds without warping. Multi-slot Adjustable Velcro iPhone Armband Will Fit Almost Any Arm Size Up To 14". TOUCH SCREEN COMPATIBLE: Enjoy the full use of your phone through the protective screen cover on the armband with fully touch compatible, easily answer calls, manage your playlist, or activate your stopwatch without removing the phone. Our multi portholes support for most of the phone.

1/ Universal Sports Arm Band for Phones with their cases: Fits 3.5'' to 5.1'' cell phones (such as iPhone 4s, 5/5s/SE, iPhone 6/6s/7/8), with all cases such as OtterBox Defernder cases. Also fits iPhone X with Otterbox Commuter cases, and Samsung Galaxy S8, S7, S6, A5, A3 with slim cases on. See Product Description below for more compatible smartphones and cases. 2/ Premium Quality Materials and Universal Arm sizes: Made of Ultra lightweight, stretchable, soft skin-friendly, breathable Lycra and neoprene. Also, hand washable, water resistant, sweat proof and eco-friendly. Grip with compatible keeps the band firmly on your arm during at gym, workouts and running. So you can focus 100% on your performance comfortable. In addition, two dual-slot adjustable Velcro will fit arm size from 9'' to 16''. 3/ Reflective stripe for safe running in low light conditions. Built-in reflective stipe around the transparent window, provides the visibility in low light condition and keep you safer when running or walking at night or in the early morning.