These are beautiful brand new 4pc chrome door handle covers that fit the 2010-2013 GMC Terrain. To install you simply peel the backing from the 3M tape and place the covers on top of the original handles. These covers are constructed of an extremely durable ABS chromed automotive grade plastic and manufactured within the highest standards in the industry. They are nickel plated, then triple chromed to a perfect mirror finish. They come with a 3 YEAR warranty against manufacturer defects. This is an excellent way to fix up your vehicle and make it look like a new, deluxe, high-end model.