Stylish and Durable for Everyday UseCosmus Darwin 15.6 inch laptop backpack is made of water resistance PU coated polyester material that gives it strength and makes it durable for long-term use. It features a zippered well padded Laptop compartment that fits upto 15.6 inch laptop, middle compartment is big enough to hold your office or daily use belongings, it also has two front zippered pockets with an office organizer, you can use it to store the charger, mouse, pen drive, pen and other essentials. Cosmus Darwin backpack features two mesh side pockets, where you can keep your water bottle or any other item for an quick access. Waterproof Laptop Backpack Bag Cosmus Darwin laptop backpack is perfect laptop bag for you,its cushioned laptop pocket keep your laptop securely tight and protected while you are on the move. This laptop bag pack suits your style and is very convenient to carry, its ergonomics and makes you forget the load you are carrying, well padded shoulder straps ease the carryingColour: Navy BlueMaterial: PolyesterCompartments and Pockets: Two main compartment, Two front Pocket, Two side mesh pocketsCompatible laptop Size: Upto 15.6 inches.