Vangoddy VG Brand Purple Armband with Sweat Resistant lining for LG Optimus 2X and LG G2x Android Phone Double stitched perfect-fit neoprene exercise armband!!! Equipped with an extra rear interior plastic layer making it the most sweat/water resistant armband on the market!!! Built in comfort key pocket, allows storage of everything you need in one place!!! Armband is built to withstand any amount of physical activity!!! Perfect for any exercise: running, weight lifting, even jump roping and bike ridding...ect!!!