2007-2013 GMC Sierra Crew Cab 4Pc Stainless Steel Window Sill Trim Overlay 100% made in USA! Ship from Califorinia. Brand-new 1 set of window sill trim overlay to be installed on top of your black stock rubber sills. #304 marine grade stainless steel with full 3M double sided tape on the back Very durable and no problem with high-pressure car-wash. 2 layers of white protective film on top for safe shipping