Designed with the beer drinker in mind but excellent for cooling anything in a cooler; 28deg beer-cave cold; Thermochromatic "smart" temperature sensor; Rugged UV stabilized color container; Nontoxic & biodegradable ; Max surface area for faster cooling; Leakproof ultrasonic spin-welded cap; Available in team colors; Limited lifetime guarantee; Made in the USA; 5lbs;