Description: Premium MaterialHelmet bag is made of high density polyester material, durable and lightweight, breathable and waterproof. Drawstring DesignedThis bike helmet bag was designed with drawstring, easy to quickly store and retrieve your helmet and other items, Just pull the rope to the sides, you can lock the bag mouth, fast and convenient Provide ProtectionMotorcycle Helmet Bag, Store your helmet in this drawstring bag when it is not in use, protect it from dirt, scratches, and damage. Large Capacity: The size of motorcycle helmet backpack is 480mmx480mm, big enough to store all kinds of helmets, such as motorcycle helmet, bicycle helmet, full face helmet, riding helmet, ski helmet, riding helmet, can also store basketball, soccer etc. Universal and convenient for traveling, riding, and camping. Portable: Drawstring Backpack , Easy to carry, Large capacity, compared to handbags, our storage backpack can keep your hands free. Specification: Material: Polyester Size: 480mmx480mm/18.90inchx18.90inch Package Includes: 1 Helmet Bag Note: Please allow slightly errors due to manual measurement and different monitors.