One Size Length, in 14 Width , in 7 Height, in 17 With a classic look that never goes out of style, durable construction, and details for all-day carrying comfort, this customizable backpack is a must-have for the daily commute to school or occasional casual travel, and can add color to your journey. .: Made of 15.5 oz. Soft Nylon .: Lightweight and waterproof .: Adjustable shoulder straps .: Double zipper design