in-Channel Sun/RAIN Guard Smoke Vent Shade Window Visor 97+ Expedition/Navigator Application: 1997-2014 Ford Expedition Models, 1997-2014 Lincoln Navigator Models In Channel Type Window Vent Visor - ( Come As A Complete Set - 2 Front, 2 Rear ) Made Of High Quality Reinforced Acrylic With Light Weight Design , UV-Resistant. In-Channel Design Provides A More Finished Look Than "Tape-On" Competition , It Fits Inside The Window Channel As An Extra Re-Inforcement And Is Not Visible. In-Channel Type Visor Will Fit The Window That Roll Down Only. It Will Not Fit The Vent Type Window That Opens Towards Outside. Custom Fit For Each Application In Shape color:Dark Smoke Tint Limited 60 Days manufacturer warranty. Professional installation is recommended