UnderCover Elite Elite One-Piece Truck Bed Tonneau Cover | UC1138 | fits 2014-2018 GMC Sierra & 2019 Limited  5.7ft Short Bed Ext/Crew Constructed of UV-protected, scratch resistant ABS composite material. Patented X-Effect infrastructure keeps cover strong. Designed with an integrated handle and single-point locking mechanism for easy access and tough security. Simple to take on and off. Will mounting hardware included for easy storage. Cargo Retriever and LED lighting system included. Double seal system keeps the elements out. Proudly made in the USA and backed by a 3-Year Warranty