Covercraft Custom Fit Car Cover for Porsche 911 (WeatherShield HD Fabric, Gray) Fabric is fade resistant sheds moisture stops dust dirt and bird droppings and is very water resistant and breathable Developed primarily for intense sun environments and long-term storage Heavier denier thread for maximum UV opacity Has bottom-edge elastic to hold the cover tight and is equipped with grommets for a cable lock and an additional grommet that can be installed to accommodate your vehicles antenna Custom-made to hug every contour of your specific vehicle and most of these made-to-measure covers have sewn-in mirror pockets