Sumaclife Exercise Armband for LG V10 / G Stylo / G pro 2 / G4 Stylus / G4 / G3 / HTC Desire 816 / One E9 Plus / One Max (Black) Soft Neoprene Design, will not stick when sweating Transparent front windows allow full touch screen functionality Touch closure flap perfect for wrapping excess headphone cord around. Side slot to fit a key Adjustable & Removable touch closure strap is designed to accommodate most arm sizes Compartment Size: 6.2  3 inch | Armband length without extra strap: 18in | Armband length with extra strap: 24in