Large "C" clip with your choice of either cupholder(4 cup) or tableboard. Large "C" fits Yeti 35 and larger, RTIC 45 and larger, and any tie down hole that is 1.34 by 1/2 inch or larger. Check Cooler Brand Fit Guide if your cooler is not listed. Cupholder or tableboard is 7 wide by 15.5 long.
The Cupholders are designed to hold V shaped cups such as Yeti and RTIC Tumblers, Red Cups so if you plan on regular Soda and Beer cans...Don't forget the Webbing.