Therapeutic gel bag with hot and cold action, for use on the body. Cold therapy helps to reduce swelling, inflammation and pain in all cases of bruises, sprains and trauma. Heat therapy helps to reduce muscle spasms and pain in all cases of lumbago, rheumatism and hypothermia. It is a product that complies with the RD 1591/2009 of medical devices. With an elegant design, it is recommended for the whole family.