They Are Used To Provide Warmth, Typically Whilst In Bed And For The Application Of Heat To A Specific Part Of The Body. This Hot Water Bottle Is High Quality Reliever From Aches In Cold Climatic Conditions And Make You Feel Comfortable. It Can Be Used For Heat Therapy And Are Used For Joint Pains, Muscular Cramps, Menstrual Pain, Stomach Or Back Ache, Muscle Pull, Arthritic Pain, Rheumatic Pain, And Ache From Excessive Sport Activity.