The Helmet Bag is constructed of rugged waterproof Nylon and features a shock absorbing lining. The zipper is designed to keep the water out. SpeedairProducts quality ensures excellent protection against any shocks or scratches. The long zipper closes a large opening, which makes it easy to stow away the helmet, even the large Helmets like the Speed-Master ! Two carrying handles sewn on the bag. The helmet bag offers maximum protection for those customers who wish to safely carry their helmet.