Product Information: Capacity: 1 liter Hot Water Bottle Jacket Color: Gray Material: Flannel Size: 120*19 cm Package Contents: 1* Hot Water Bottle Note: 1. Avoid using boiling water and fill it with no more than 2/3 water and deflate it. Make sure the plug is securely seated on the empty plug, then remove the plug. 2. Warning that hot water bottles may cause burns, avoid direct contact with skin for a long time. SAFE & DURABLE - The thermos is made of rubber, which ensures maximum safety and transfers heat perfectly, keeping the water warm for a long time. For safety reasons, the temperature of hot water should not exceed 80 degrees Celsius. COMFORTABLE PLUSH - The waistband features a plush waistband with ultra-soft dual inserts to keep your hands and waist warm at the same time. It also prevents heat from coming into direct contact with your skin, thus preventing burns; it can be used for neck and shoulder pain, muscle aches, menstrual cramps and tension. In addition to traditional heat therapy, it can also be used for cold compresses in children with fever or swelling of minor injuries. It is safe and easy to get in and out of water to prevent water from splashing out again. NOTE: Our thermos bottles with lids have a maximum capacity of 1000ml. For your safety, do not use boiling water. Don't add too much water, just 3/4. Ideal for winter - hot water bottles are great for relieving pain with thermotherapy to keep you cold. Winter is warm. Perfect for Christmas, Mother's Day, Father's Day, birthdays and more. Whether you are on the go, at home, in the office or outdoors, very practical and an ideal gift for friends, family, children, sons and daughters.