PBICE15IP: Freeze the (12) included ice packs. Place the ice packs in the pockets on the inside surface of the blanket and place the blanket on to the 15-gallon drum. Use the straps to cinch the blanket as tightly as possible to the drum. Better cooling can be achieved by making sure the ice packs freeze relatively flat so that they fit against the drum better. If the temperature is too low simply remove the blanket, remove some ice packs and replace the blanket. Keeping your equipment and materials cool under hot temperatures has never been so easy. Powerblanket ICE products make it easy and cost effective to cool various applications like spray foam, coatings, adhesives, fermentation systems, electric motors. In addition to this product, we offer various sizes and levels of temperature control and duration. If you can't find the right product to fit your application let us know, we specialize in fast, affordable solutions for any application.