x2. We have a Galaxy 80 qt. On a recent 6-week trip in NM, AZ, UT, CO, we ALWAYS got over a week of ice (we never really had to push it since ice was always easily available), but probably would have been able to get 2 weeks. Besides friendly, personal customer service, the cooler is VERY stout. In fact it seals so well, it really need a bleed valve because when going from high elevation to low, even with the latches undone, you can almost pick up the whole full cooler by the suction of the lid. It is pricey, but I like it for situations (other than vehicle travel) where the Engel is not well suited. I'm sure the Yeti and Engel are similar from what I've read.We use Yeti's and Galaxy (Formerly icee-kool) on the river. With proper packing and usage (opening twice per day) They can both hold ice up to 16 days.