You will receive 1 elastic double-layered backpack helmet holder, with approximate dimensions of 11 inches 28cm in length, 10 inches 26cm in width, and 0.2 inches 0.5cm in height. The cargo net features a double-layer elastic design it not only fixes items securely but also works as a storage net bag, expanding the storage space for your motorcycle to make travel more hassle-free. Installing the cargo net is simple: just go around the vehicle fasteners and hang the hooks according to the shelf shape; the elastic mesh is sturdy and durable, which can hold motorcycle helmets and other items of similar size firmly without the hooks loosening. It's multi-functional too you can put helmets, water, food, and more inside, compatible with various helmets and backpacks; the high-elastic mesh material safely stores helmets, rain gear, etc., and can also be used as a helmet bag, hat bag, etc. for easy access.