SUN/RAIN GUARD VENT SHADE WINDOW VISORS 07-13 CHEVY/GMC SILVERADO SIERRA EXT CAB Application:2007-2013 Chevy Silverado 1500 / 2500 HD / 3500 HD Extended Cab New Body Models, 2007-2013 GMC Sierra 1500 / 2500 HD / 3500 HD Extended Cab New Body Models ( Will Not Fit 2007 "Classic" Body Models ) Allows fresh air in while keeping, rain, wind, and drafts out Made Of High Quality Reinforced Acrylic With Light Weight Design, UV-Resistant The deflectors are designed optically transparent with safety in mind, to minimize blind spots for the driver. Easy to install with included 3M adhesive, no drilling required