Stinky Car Ashtray

Here's a car ashtray that might change your mind about car ashtrays. It has a deep bowl for ash which fits into most cup holders, and the swing-away lid has a clip that will hold a cigar up to 60 ring, solidly and securely. When you're finished, the lid closes to keep the odor under control. How many should you get? How many cup holders do you have?