... :600*300D/PVC polyester+1.5"PP webbing for shoulder strap -Size:40*9*31CM -Color:Black,Green,Blue 1. Product InformationMaterial600 ... webbing for shoulder strap +metal carabiner+D ring+plastic buckle Weight0.45kgStyleDocument bagColorDark blue,green,black ,Grey,or customizedSize 40*9*31cmUsageLaptop ...