Our Ram Mount self-leveling Cup and Drink Holder attachment allows you to mount and position drinking cups exactly where you want it. Made from tough high-strength composite plastic. Compatible with any cups, cans, bottles or mugs ranging from 2.5" to 3.5" diameter. Includes "Koozie" can insulator. Attaches to SnakeClamp brand flexible gooseneck and/or rigid arms with included stainless steel adapter. Great for wheelchairs, strollers, hospital beds, etc.