600D recycled 2-tone polyester; Large main compartment with open file pocket and padded laptop section, fits most 15 laptops; Front zippered pocket with organization; Side self-fabric water bottle holder; USB-A outlet on side of backpack allows easy connection to interior power bank pocket (power bank not included); Padded shoulder straps and back with luggage pass through; Double grab handles with snap wrap; Product Size: 11.81 W x 17.32 L x 5.12 D