This Hamilton Classic Backpack is the perfect combination of style and durability. It is made of 15.5 oz. Soft Nylon, making it lightweight and waterproof, while still being strong and long-lasting. It has adjustable shoulder straps that provide comfort and ease of use. The 13"x16.5"x6" dimensions provide plenty of space for all your belongings. It also features a bright and colorful pattern, adding a touch of classic styling to your look.