Analgesic heat packs are multifunctional. Use it for neck and shoulder pain, medical purposes, during pregnancy or as a foot warmer. Keep warm every hour: The bottle and cap are designed to keep heat and make you feel comfortable. The soft cover distributes heat evenly, protecting you from overheating. It is ideal for warming beds. . Perfect display: Multifunctional hot and cold water bottle is the best gift for mothers, children, wives and friends. Hot and cold water bottles can be used at different times of the year. Be your best bedroom companion on a cold night, you can also use it as an ice pack. . Use steps:. 1. Roll up the lining and stuff it into the cloth cover. 2. Unscrew the threaded plug. 3. Pour 2/3 of hot water. 4. Exhaust excess air in the hot water bottle. 5. Tighten the threaded water screw. 6. Turn over and check for leaks. The products are all real products. However, due to lighting problems or display problems, there may be a slight color difference with the actual product. . The temperature of the hot water should not exceed 80 degrees Celsius. . The temperature of the hot water should not exceed 80 degrees Celsius. . The temperature of the hot water should not exceed 80 degrees Celsius. .Capacity: 250mlCategory: Heating pad