Hot Water Bottle for Pain Relief is a very useful and multipurpose product. Heat therapy can help relieve pain in the affected region and bring relief. Benefits: One Solution to Multiple Problems Ideal for stomach, back ache & headaches. Relieves abdominal pain Helps in keeping the bed warm. Plastic cap with copper ring makes sure there is no water leakage from the bag. HOW TO USE : Do not use boiling water immediately when filling the bottle. Fill to a maximum of two-third capacity Screw the stopper sufficiently tight to ensure that there is no leakage. Check the bottle for any leakage by holding it in an upside-down position.