The Aoking SN4477-D Laptop Backpack is a combination of style, functionality, and durability. This 15.6″ Waterproof Laptop Backpack has a large amount of storage space and multiple compartments to accommodate your electronic accessories neatly inside the main compartment that features smart organisational pockets. For all day comfort, Padded Shoulder Straps and an Ergonomic designed Back Panel were incorporated into the design of the backpack to fit the needs of students, professionals, or travelers.Dimensions: 31cm x 16cm x 45cm