600D polyester anti-theft backpack. Reinforced cut-proof front panel. Back zip closure with TSA combination lock. 1 side pocket with built-in USB port. Inner compartment with padded laptop sleeve for laptops up to 15 inches. 2 detachable zipped pouches for cables or accessories. 2 inner pockets, including 1 for bottles or flasks and 1 for storing a power bank. Rain cover included.