Material: 1000D nylon waterproof, abrasion resistant, thickened inner lining for ultimate helmet protection against scratches, crushes and drops. Portable: With dual silent zipper and quick release buckle, it only takes a few seconds for you to easily view items and pick them up, inner mesh pocket to hold other tactical gears, such as: helmet camera rail, helmet flashlight, Glow sticks, etc. System: molle straps can be attached to tactical vest, tactical backpack, molle panel. (Size:6"*11"*9") suitable for most regular size helmets, such as: riding helmets, motorcycle helmets, flight helmets, tactical helmets, military helmets, etc. With 6 liters of storage space and a soft inner lining and adjustable shoulder straps, all designed to keep your helmet in place, protected and easily accessible.