Made of water resistant 600D Duralite Shiny mini waffle weave and Diamond ripstop. Large top-load main compartment. Tech Spot tablet sleeve with easy access zipper fits 15″ laptops. Padded Vapel mesh shoulder straps. Padded back panel. Deluxe multi-pocket organizer with key fob. Zippered accessory pockets. Mesh beverage pocket. Die-cut black reflective detail to attach gear. Convenient grab handle. Dimensions: 18.5″ x 12.25″ x 7.5″.