Just the right size: use our hot water bottle you won't feel heavy after you wear it for a long time. The maximum capacity of 1000 ml is suggested to fill two-thirds, adults should always be supervised. Belt length: 43 inches/110 cm, the belt with Velcro is to adjust the width as desired, which is suitable for most people.Widely used: the soft with hot water bottle distribute the heat evenly and protect you from excessive heating to ensure your comfort. It is good for relieving menstrual cramps, aching muscles and joints, arthritis and sports injuries. It can also double as a cold compress for a person with a fever or to reduce swelling in case of minor injuries.Safe & Anti-Leak: The hot water bottle is made of rubber to ensure maximum safety and transfer the heat perfectly, making the water warmer for longer. To be safer, the temperature of the hot water should not exceed 80 degrees Celsius.Easy to use: a wide mouth is easy to fill, fill hot water, with an anti-quirky stopper that easily pours in and out the water, preventing the water from spilling out. Hot water bottles with covers also work as ice packs or cold water bottles. Caution: The rubber with hot water bottle is not suitable for heating the microwave oven.GIFT IDEA - Use it in cold weather for neck and shoulder pain, medical purposes, during pregnancy or as a foot warmer. Suitable for people with colds, back pain or sitting in the office for a long time. It also has a sweeter and personalised look, which is a cosy gift for your mother, children, Thanksgiving Day, Christmas and New Year's Day. Produced by yougang