... warmly heat for 6 hours, with an average temperature of 53 degrees Celsius and a peak temperature of 65 degrees Celsius.3.Toe ... it becomes too uncomfortable.2. Do not use in combination with creams,rubs,lotions or salve-type analgesic products.3. Do ... broken or sensitive skin.4. Do not use during sleep,with infant,on frost bite,or on desensitized skin.[Package]1 ...