The Promate Zest Multifunction Backpack is a useful accessory that lets you carry your laptop in a safe and convenient way. This waterproof backpack is coated in a stylish blue finish and is designed to accommodate most laptops that measure 15.4inches. The smartly designed back zipper includes a tablet and a laptop sleeve, which enables you to liberate space in the main compartment for those essential articles. You can use the front zippered compartment for additional storage. The dual side pockets come in handy for placing curios such as a smartphone or a water bottle. The mesh padding at the back of the backpack provides immense comfort for long hours.