Thickener for all varieties of gel packs including cold, hot, hot and cold. Injury aids to packaging products. Gel packs are commonly used to ice a sprained ankle or provide soothing heat to a muscle cramp. They are also used for packing and shipping. Not only can they help keep a product cool but they add a cushioned layer against damage. WALOCEL™ CRT and METHOCEL™ are commonly is used to create the viscous solution for gel packs.