Features1 Material: High quality canvas material, high density, wear resistant and durable, the inner interlayer sponge plays the role of buffering and anti shock. 2Waterproof Performance: This is a bicycle controller storage bag, waterproof design, to protect the inside of the product from getting wet. 3For Controllers Below 25A: Electric bike conversion battery bag can protect your controller, and is mostly used for controllers under 25A. 4Light and Portable: Light weight, easy to carry around, will not increase your burden. Hidden outlet design, practical and easy to use. 5Easy to Install: This controller pack is easy to install and operate without additional tools, suitable for electric bikes, bike lithium battery conversion.SpecificationProduct: Bicycle Lithium Battery Conversion Controller BagMaterial: Canvas + SpongeColor: BlackWeight: Approx. 159g / 5.6ozPackage List1 x ElectricBikeControllerBag