Hot Water Bag for Pain Relief 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. For usage, fill 2/3rd of the bottle with hot water and place it on the region of pain and the effect can be felt in minutes. In day to day life, pain in the neck and body can occur after working for a long time in front of a computer, reading books, or even sleeping in a weird position. This hot water bottle helps you to provide relief from every kind of muscle pain. Heat therapy can help relieve pain in the affected region and bring relief. For usage, fill bottle with hot water and place it on the region of pain and the effect can be felt in minutes. brand new g