Come and see our amazing products. The campus backpack is made of waterproof, ultra-light, high-density nylon fabric with a cute printed polyester lining. High-quality zipper with metal zipper closure ensures durability. If you pack a lot of stuff on your pack, the thoughtful waist belts on the sides create a solid base of support. The widened, thickened and durable S-shaped shoulder straps are well padded, adjustable and comfortable to carry. Luggage straps on the back can be attached to luggage/suitcases to make your travel more convenient Pls confirm further with us if any query about packing info, inventory status and time schedule.