jeep-N-montero
Expedition Leader
Field & Stream just published a recent test of various roto-cooler brands. Ozark Trail was not one of them but the rest of the big players except RTIC were evaluated.
http://www.fieldandstream.com/artic...owdown-12-top-end-coolers-ranked-and-reviewed
And there are better tests on here and videos on youtube of numerous models being tested.