Thanks Thanks for all the advice. It looks like we're going with the 20 oz. ones with the wide bottoms.
We left our bubbas home in Oct. so we looked at the ones in the gift shop. I think they were $7 or $8. They were not bubba kegs, more like an insulated cup with a lid. We will remember to bring our bubbas in April for sure.
We took the advice a bought some - they are great - only 20oz but plenty big enough (i think lol). I think the bikinis the hubby has ordered will fit nicely inside for the journey!!! H&C