600D Heathered Polyester, 300D Polyester;Large zippered main compartment with padded laptop sleeve ; Padded adjustable straps and top carry handle.; Built-in USB port with 30.5"l charging cable for easy charging (device not Included).; Includes small interior pocket for storing power bank or smartphone (not Included) during charge; Recommended weight tolerance: 17 lbs; Product Size: 10.75" w x 17" h x 5" d;