The Gaiam ice roller ball has a cooling and relaxing effect with cold gel technology that holds temperature for up to 20 minutes. Prior to using, put in freezer for 20 minutes. Ideal for post-workout, our roller massager is compact enough to take with you to the gym or studio but not take up too much space. Use after an intense workout to to help with muscle aches or pains the next day. This muscle massage roller is composed of sensitive stainless steel that glides easily over muscles. 360 degree glide design makes it easy to target a particular area such as trigger points or deep tissue. The ice therapy roller can help with inflammation, blood circulation, and help to soothe sore muscles for faster recovery - a great gift for athletes who routinely have intense workouts. Our rolling massager is great for on the go use. Use after gym or yoga session to help ease tension. The compact and lightweight design is ideal to take with you for traveling.