As a perfect motorcycle backpack, it can storage ALL kinds of motorcycle helmets. Also motorcycle jackets and pants as well as daily and office supplies such as laptop, iPads, books and basketball, soccer, volleyball and etc. It is a nice gift for men and women who like travelling, riding, or even hiking. Features: Large Capacity - This motorcycle helmet backpack can storage ALL kinds of motorcycle helmets: Full face helmet, Dual sport helmet, Flip up helmet, Off-road helmet, Half helmet. Also motorcycle jackets and pants as well as daily and office supplies such as laptop, iPads, books and basketball, soccer, volleyball and etc. Waterproof Design - Both the zippers and bag material are waterproof in the front side. It can protect your items from water or rain, you can use it on rainy days. Light and Portable - This backpack is superlight for the size, can save weight for you when you are riding. Multi-pockets - There are several pockets and 4 zippers in this backpack. You can choose different pockets to different items. Say goodbye to messy space, and ride more efficiently. Perfect Gift - This backpack is a perfect gift for men and women who like travelling, riding, or even hiking. Specifications: Fabric Material: Waterproof Oxford Fabric Color: Black, Red, Yellow (Optional) Capacity: about 30L-48L Size: 500 * 300 * 200mm / 19.7 * 11.8 * 7.9in Package size: 510 * 300 * 80mm / 20.1 * 11.8 * 3.1in Package weight: about 800g / 1.76lb Note: Due to manual measurement error,it is mormal that there is between 10-20mm Packing List: 1 * Motorcycle Backpack