UnderCover 14-18 GMC Sierra 1500 (19 Limited) 6.5ft Elite LX Bed Cover - Silver IceThe Elite LX is the newest cover from UnderCover. It comes standard with all the features from the UnderCover Elite. Weve added a premium carpet lined underside, topped with flawless paint to match to make the LX the sharpest tonneau on the market. Engineered to provide a precise fit and finish to your truck bed. This Part Fits: Year Make Model Submodel 2014 2018 GMC Sierra 1500 Base 2014 2018 GMC Sierra 1500 Denali 2014 2018 GMC Sierra 1500 SLE 2014