Come and see our amazing products. Made of waterproof nylon, water-resistant and durable. The water-resistant fabric used making this back pack is very light,strong,durable and breathable at the same time. The length of the shoulder strap is adjustable. Ideal comfort for day-to-day use or day trips, vacation, fishing, travel, hiking, school, work, camping and day trip. Great hiking backpack for women and men. Pls confirm with us about the packing info, stock color and exact production time before placing your order.