TheVW wheel caps are made of high grade aluminum, different sizes are available:55mm, 60mm, 65mm & 90mm. Name: VW wheel caps, car wheel emblems, VW wheel emblems, Volkswagen wheel emblems 1) The VW wheel caps are made of high grade aluminum, different sizes for your choices: 55mm, 60mm, 65mm & 90mm.2) die cast with high strength adhesive tape at backside, easy to install, can be used outside or ...