I'm beyond impressed! I bought this cooler to take all my own foods for Ragnar -- 200 mile relay running event (and we went down a day early, so rather than this being a 36 hour event, it was closer to a 60 hour event). I don't eat the same foods as most runners & I don't eat out, so having my own food (in a cooler as it would be in a refrigerator at home) was key!A couple months later I'm heading for a 4-day weekend in the Grand Canyon. Flying food from Tennessee, I thought, would be a little mSee full review