MMOBIEL Sportband Armband for iPhone Xs/X / 8/7 / 6S / 6-4,7 Inch (Black) Water Resistant Sweat Proof Lightweight Soft Neoprene Stretchable Reflective Strip Dual Arm Slots iPhone XS / X / 8 / 7 / 6S / 6 Sportband Armband Water Resistant Sweat Proof! Convenient to use and easy Access to Head / Earphone and Volume Control buttons and Charging Slots. Double Adjustable Armband Will Fit Almost Any Arm Size. Option A: 22-31 cm or Option B: 30-40 cm. Built-in Key Holder, For Car and House Keys! With Reflective Strip For Low Light Conditions. High quality product! All parts tested! Item in stock shipped from USA!