Therma-Kool® with Freedom Wrap® includes a reusable 4” x 9” gel pack designed to provide comfortable pain relief when cold or hot therapy is required and the Freedom Wrap® which is a dual-sided, Poly-Cotton, and Laminated Foam cover with elastic hook and loop strap secures the compress to any part of the body for hands-free comfort during therapy. Therma-Kool® remains flexible when frozen and is safe for microwavable use. Use cold for the treatment of sprains, strains, headaches, contusions, bruises, minor bleeding/burns. Use hot for temporary relief of muscle stiffness, aches and pains. Great size for treating sore ankles, elbows and wrists.