Backpack Arctic Hunter B00382 Arctic Hunter 17.3-Inch Detachable Laptop Bag Waterproof Backpack Bag with Fashion and Attractive Design Material:100% polyester backpack water resistant Color:Black，Grey Description: 1/USB charges 2/trolley attached strap; 3/anti theft Back pocket 6/card pocket in should strap 7/Ipad pocket;Laptop pocket 8/multi funtion inside pocket Size: 48x21x33cm Weight:1.6kgs;volume:L33 Laptop:17
