2007-2012 Mercedes GL320 GL350 GL450 GL550 6Pc Chrome Window Sill Trim Stainless 2007-2012 Mercedes GL320 GL350 GL450 GL550 Pieces - 6 pieces (3pcs on each side) Material - 304 stainless steel, 24 gauges thickness with beveled edges Installation - Full 3M tape on the Back, just peel and stick. If you have any questions or concerns, feel free to contact us through Amazon (We are here to help)