All I know is that they keep stuff cold for a really long time, but I suspect that like their mugs, there are some other brands that work just as well and cost a lot less.

I like the way you are thinking though, it's always good to have a few cold ones on hand.

drover

223 Rem, my favorite cartridge - you can't argue with truckloads of dead PD's and gophers.

24hourcampfire.com - The site where there is a problem for every solution.