An integral, quiet running fan will quickly and conveniently dry and cool your helmet whilst in the bag. Inhibiting the build-up of damp and odour. Helps prevent the build-up of bacteria, so your helmet smells fresher. Improves the life span of the linings and impact materials in your helmet. The unit is supplied with a USB adapter for connection to your vehicle or to a power pack. Making it ideal for rides out, race/track days, as well as using at home after your ride out/commute. Made from a strong canvas, and the inner is fully lined to best protect your equipment.