Whether you are out on the water or enjoying a weekend camping trip, the Engel Coolers Hard Shell Freezer Pak will keep your food and drinks cool and dry. This non - toxic, environmentally friendly freezer pack goes down to 20 degrees Fahrenheit, allowing you to keep frozen items frozen longer, or cold items cooler for longer. You can easily take the Freezer Pak out of your freezer and toss it into a beach cooler, lunch box, or soft-sided cooler without worrying about the mess and stress of a bag of ice. The 20 - degree Freezer Pak can also be used as a safe dry ice alternative Pair the Freezer Pak with any Engel Cooler or other cooler and enjoy a cool beverage or fresh lunch during your next outdoor adventure.