Uline Uline Refrigerant Gel Pack, 3/4 x 4 x 5-1/2 Inch (48/CS)

• Keep refrigerant gel pack in freezer for at least 72 hours before using, to ensure it is frozen solid.
• Solid when frozen, not flexible
• Gel is nontoxic, food safe
• Can also be used to prevent freezing if heated in a microwave
• Outer bag of refrigerant gel pack can be recycled (gel should be disposed of in garbage, not down a drain).
• 3/4 x 4 x 5-1/2 inch refrigerant gel pack weighs 6 ounces and is reusable.