PVC Durable, waterproof, comfortable. Strong zippers and handle. Can be used as a handbag or as a backpack Practical - side mesh pocket for your umbrella or bottle, front zipper pocket with 3 slots, mesh pocket and transparent compartment - find something you need quickly. Can hold 15.6 - inch computer. Free Gift - comes with a smaller cosmetic bag (which you use for pens/pencils/highlighters, make-up) Helps to avoid long waiting during security check in airports, sport events and etc. Dimensions: 15.5'' x 5'' x 10''