Features: 100% brand new and high quality Helmet backpack is good not only for helmet storage but also for all essentials. High-quality durable waterproof nylon material, classical, and special design. Reflective zipper attracts attention when riding with the backpack at dark place or at night so as to improve riders' safety. Adjustable, Breathable, Broader padded Shoulder Strap provide great comfort, it doesn't put any strain on you back even if the bag is heavy. Front helmet backpack material and water-resistant zipper keep your laptop, books, clothes and other belongings dry when it happens to rain. Package Includes: 1 x Helmet Backpack Specifications: Material:Oxford Cloth,Dacron Size:Approx.27x20x48cm/10.60x7.90x18.90in Net Weight:580g note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.