Protects Your Battery From The Rain, Snow and Keeps the Battery Insulated

– Insulates battery to help operate more efficiently
– Protection against the elements while riding or transporting on a car rack
– Scratch protection
– Pocket for phone (keys or wallet)
– 4mm neoprene black
– Medium: Fits diameters 3.5″ to 4.5″ in diameter
– Large: Fits surface-mounted battery and is compatible with Bosch, Shimano Steps, Samsun, Yamaha.