Product information: Capacity: 1 liter Color of the hot water bottle jacket: gray Material: flannel Size: 120 * 19 cm Package Contents: 1 x Hot Water Bottle Features Safe and Durable - The hot water bottle is made of rubber to ensure maximum safety and efficient heat transfer, keeping water warm for an extended period. For safety, do not fill with water hotter than 80 degrees Celsius. Comfortable Plush Cover - Comes with a soft flannel cover that provides gentle warmth for hands and waist. The cover helps prevent direct skin contact to reduce the risk of burns. Ideal for soothing neck, shoulder, and back discomfort, muscle soreness, menstrual cramps, and tension. Can also be used as a cold compress when chilled, suitable for minor injuries or fever relief. Easy to fill and seal, designed to minimize splashing. Versatile and Practical - Suitable for use at home, in the office, during travel, or outdoors. Makes a thoughtful gift for holidays such as Christmas, Mother's Day, Father's Day, or birthdays. Note: 1. Do not use boiling water. Fill no more than 3/4 full and expel excess air before sealing. Ensure the stopper is securely attached. 2. Prolonged direct contact with skin may cause burns. Always use with the provided cover and avoid extended exposure. 3. Maximum capacity is 1000 ml. For safety, do not overfill and avoid using water above 80°C. Ideal for winter use, this hot water bottle provides soothing warmth and comfort during cold months.