The Nori Nylon Backpack is a high-quality lightweight nylon pack nay with a zipper design that's both functional and fashionable. Each backpack also contains an additional strap packed inside to be used as an optional shoulder strap. See video for example! Exterior zipper pocket for easy access to your credit cards and ID. Zipper top. Bag measures 15" x 10" x 5" Nylon Additional strap included