Bauerfeind’s reusable hot and cold ice pack made of gel beads can be used to treat minor injuries and swelling. It also helps alleviate chronic conditions such as osteoarthritis. The pack can be used as an ice pack or warmed up and used as a hot pack. With its gel beads, the hot and cold pack can easily be used on the knee, ankle or any other impacted area. For extra comfort, always use a tissue or cloth between the pack and your skin. Please observe the user instructions on the back of the product.