Best choice: The hot water bottle warms hands, neck, waist, back, leg, etc. It suit suitable for children, adults and the elderly, the best choice for gifts. Comfortable plush waist cover and plush cover: Equipped with an extra-long plush hip cover, double-layer soft padding and a double-plug design that warms your hands and your waist at the same time. Prevent the heat from touching your skin directly to avoid burns, the plush cover can better hold the hot water bottle's temperature. Bring you warmth: Hot water bottles can keep our hands, waist, legs and neck warm and make us feel good. It can also relieve physical ailments such as joint pain, moisture, and cold. It can also be used as an excellent cooling pad to reduce puffiness. Heat storage: The hot water bottle is made of rubber, which has good heat transfer and good insulation properties. It can hold the water temperature for a long time and keep bringing you warmth. For safety reasons, it is recommended that the water temperature not exceed 80 degrees Celsius. Safe and Leakproof Design: The hot water bottle is made of high quality thermoplastic PVC material, a screw cap helps prevent leakage from the bottle. Safe and easy to fill and use. After the test, it has compressive strength and tightness, which is completely safe.