Thermal patch with therapeutic muscle relief action to be applied on the skin. Helps to relieve discomfort and body ailments, with a localized and lasting heat effect of 8 hours. Made of non-woven material, coated with a hypoallergenic adhesive. Contains internal particles of iron, activated carbon, salt and water, which take the temperature in contact with air and help to warm the area, soothing joint discomfort. It does not contain drugs. Dermatologically and clinically tested.