1. Made of waterproof nylon Oxford fabric, which is light, durable and stiff, not easy to deform. 2. Adjustable webbing shoulder strap. 3. Multi layer pocket layout to meet daily storage needs. 4. The metal skull and studs strike the cool vibe. 5. The spray painting technology blends retro texture to bring a casual and unrestrained spirit (note: due to the randomness of spray painting, there are natural differences in details, and it cannot be guaranteed that each item is completely consistent)