Eloop City B2 Waterproof Laptop Backpack 15 Inch Bag, Black - B2-D002 SpecificationsColour Name BlackSize 18.39 LitersDepartment UnisexExterior Material PolyesterInterior Material PolyesterStrap Material PolyesterCompatible With 15 LaptopProduct Length 15 InProduct Height 17 InProduct Width/Depth 4.5 InModel Number B2-Black