Description: Gender:Men; Material:Canvas(Black 1,Gray 1,Blue 1),Nylon(Black,Gray,Blue); Color:Black,Gray,Blue; Closure Type:Zipper; Pattern Type:Solid Color; Size:S,L; Style:Casual,Retro; Bags Structure:Interior Compartment,Zipper_Pouch,Interior Zipper Pocket,Cell phone Pocket,Interior Slot Pocket; Bag Capacity:15.6 Inch Laptop,17 Inch Laptop; Detail In Size:(1cm=0.39inch) S(15.6 Inch):30cm/11.81''*40cm/15.74''*13cm/5.11''(H*W*T); L(17 Inch):32cm/12.59''*45cm/17.71''*16cm/6.29''(H*W*T); Weight:1.33KG; Package Included: 1*Bag