SumacLife Sports Active Armband for BLU Energy X/BLU Studio Energy 2 / BLU Vivo Air/BLU Advance 4.0L, Black SumacLife Sports Active Armband with pocket slot for your gym locker key or car key Hybrid design features a durable rubberized exterior and neoprene padded interior Hand washable / water resistant neoprene, helps reduce moisture from accumulating Protective clear plastic window / Touch Screen Friendly / Adjustable Shoulder Strap