Backpack size:31x19x45cm/12.20"x7.48"x17.72"(L x W x H); weight:0.8kg. Material: Outer: Durable nylon fabric,Inner: polyester lining ,not easy to cause deformation and comfortable to carry. FEATURES:The Main pocket equipped with laptop Compartment.One vice pocket,one snap pocket,two front zipper pockets.One back zipper pocket.Also have two side pockets.Enough...