Porsche 911 Cupholder - Fits 1968 to 1998 Porsche 911's with factory seat tracks. Easy to install with in seconds. Slides easily on rail and secured with thumb screw. Large hole 3 1/4 inch, allows for large mugs, pop cans with koozie, stainless steel tumblers or water bottles. Drinkware not included. If you would like a new RTIC stainless steel 30oz tumbler please see my other sale. Holder sits approximately 3-4 inches off the floor. Can be mounted on right or left side by simply by flipping over and moving thumb screw to other side. Laser cut and finished with textured black powder coating. When mounted on the passenger left side it is easy to reach and there is no interference for driver or passenger. Great gift idea for anyone who has a Porsche 911.