Nexcare™ ColdHot Therapy Pack Classic is designed to provide superficial heat or cold. Cold helps decrease swelling, inflammation, and pain. Heat helps reduce pain, calms and relaxes. The gel is safe for all members of the family and does not contain toxic components. Natural and drug-free therapy Cold helps reduce swelling, inflammation and pain. Heat helps reduce pain, soothes and relaxes Reusable bag with non-toxic gel, safe for the whole family Made without natural latex Includes a cover with an elastic protective band and a layer of Thinsulate ™ fabric, which allows it to be placed without the need for hold her Environmentally friendly product, made with 99% biodegradable gel