Whether youre heading to the lake or venturing into the wilderness, Rugged Ice proves to be an ideal companion. Simply insert this frozen ice pack into the base of your RR45, RR65, RR85, or Soft Cooler to introduce an additional level of cooling innovation, ensuring your items remain exceptionally chilled. Rugged Ice boasts such intense coldness that it can effectively re-solidify any melted water within your cooler, ensuring a continuous chill for your contents.