Arctic Ice Alaskan Series panels are powered by an innovative new phase change material and are designed to keep your food and beverages refrigerator-fresh longer than other ice substitutes. The active ingredient is plant derived and non-toxic. Simply store in any home freezer until ready for use.Alaskan Series panels are designed to maintain a refrigerator temperature of 34° to 40° F in your cooler. Alaskan Series used in combination with ice can maintain ice in coolers up to 50% longer. These flat panels store easily in any freezer and save time and money when compared to using bagged ice. Size: Large. Item weight: 2.50 lb.