ARCTIC ICE ALASKAN SERIES .75 LB Arctic Ice Alaskan Series freezes at 33.8 degrees Fahrenheit, efficiently keeping food and drinks cold without the risk of freezing. The active ingredients are non-toxic and housed in a rugged container designed to provide maximum surface area to increase the efficiency at which they cool. When finished using, simply store in freezer until needed again. Freeze the Alaskan Series panels in any freezer 6-8 hours prior to use. Alaskan Series panels can also be used in combination with ice to extend the life of ice up to 50 percent. Alaskan Series panels are even top-rack dishwasher safe, making them reusable for years.