The 2015-2019 | Polaris RZR 900 Rear Sliding Window includes a storage tray that sits behind your seats for additional storage. We also designed the window to work with wrap around five point harnesses. Our window has a full rubber seal around the edges to minimize unwanted dust in the cab. It is made from 1/8" thick 5052 Aluminum. This design is super lightweight and has the strength to last for years of off-road abuse. This window comes with everything you need to install it without d