Insulated, flame resistant, water resistant cover for battery on E-BikeMade with water resistant nylon - polyester on outside for excellent water resistanceInner material made with fire and flame resistant materials (passes FMVSS 302 Flame Test)Fits surface mounted battery and compatible with Bosch PowerPack, Shimano Steps, Samsung, YamahaPocket on top to keep small items close at handVelcro StrapsBlackUPC/EAN/GTIN: 850051028115