This allows the coolers to keep ice cold for long periods of time. Each Ozark Trail hard-sided cooler also has walls that are between two-and-a-half and three inches thick for excellent insulation. Best of ozark trail cooler all, Ozark Trail hard-sided coolers all feature a thick, freezer-grade rubber gasket that creates an effective seal for… Continue reading Purchase Insulated Ozark Trail Cooler For Varied Uses