Reusable Hot Water Bag

New generation hot water bottle only takes 10mins to heat up. Just place on the area you need to massage. Provides hours of heat and permanently sealed so no risk of scalding. Heating is provided by an element inside the bottle. When complete, the water bottle can be discharged. Extremely safe and reusable. This massager use the temperature control, temperature get 68-75 degree. Humanized slide protective cover: protective cover design, more convenient more human nature! Automatic temperature control, put an end to overheating, the product is in the insulation status. Pls always put the bottle in a flat surface. The internal temperature of the warm bag reach (68 ~ 75 °C). In order to ensure safety, It is forbidden to warm acupuncture bag surface, in order to avoid surface rupture, causing leakage