Nexcare ColdHot Therapy Pack is a reusable gel-filled warm bottle with a velvety, soft-touch fabric finish for immediate and comfortable usage. FEATURES: ‣ Safe thermotherapy for those who prefer drug-free solutions. ‣ Helps reduce pain and swelling from injuries. ‣ No water required, microwave preparation only. ‣ Soft, flexible pack conforms to the body for effective relief.