Polaris RZR 4 900/1000 ABS Plastic Hard Roof 2 piece design Made of black ABS Plastic with an included UV Inhibitor Cut with superior cnc 5-axis routerall edges are super-smooth Extremely durable custom nylon injected clamps Fits 2014-19 RZR 1000 4 seat models, and all 2015-19 RZR 900 4 seat models (Does not fit 2018+ RZR Turbo-S models)