Nazteck Gladiator Holster Carrying Case for BLU Vivo Air/BLU Advance 4.0L / BLU Studio Energy 2 / BLU Energy X, Nubuck Two Optional Belt Clips Unparalleled Durability and Protection Water & Alkaline Resistant The convenient side pouches make it the perfect case for any working environment This durable, water resistant case absorbs the shock of impact while providing constant protection.