For GMC Envoy/Isuzu Ascender 4pcs Window Deflector Rain Guard +43" Sun Roof Visor (Dark Smoke) Does NOT Fit GMC Envoy XL and XUV Models Smoked lens to reduce glare and allows car to be parked with windows vented Reduces wind noise while driving with windows open for fresh air Allows windows to be opened a bit, and not have rain water enter through the opening Installs with included 3M adhesive tape (Non-In-Channel Visor)