This bike backpack is made of waterproof nylon, well-made, and it is also ultra-light, durable, and tear-resistant, with minimal weight and greater strength. It is equipped with luminous strips, high-grade zippers, high-quality hardware, and polyester fabric lining, 15L large capacity, breathable and soft, ideal for motorcycle riding and outdoor sports. This motorcycle equipment bag comes with an additional helmet mesh pocket that can easily accommodate motorcycle,racing, snowmobile helmets, and even basketballs. The ergonomic design and soft and breathable mesh pad on the back keep you comfortable, cool, and dry. It can be used as a cycling, leisure, travel, or mountain backpack, and is a perfect gift for occasions such as Christmas, New Year, Thanksgiving, birthdays, and Father's Day.