The RBO Dust Eliminating Rear Sliding Window has one of the industry's largest. We try to combine function and quality to provide the driver with the best experience possible. The Rear Sliding Polaris Side x Side window gives you the option to open the rear window and allow air into the cab as well as an access point to the cargo box. We also incorporated a custom storage tray that is built right into the rear Window assembly making a great place to store, gloves, hats, binoculars, and