?Quality Assurance? We want you to be absolutely satisfied for our long hot water bottles with cover. If this is not the case, please contact us, we will help you solve the problem. ?Durable & Easy to Use?With wide mouth, it is easy to fill the hot water bag with water in 5 minutes. And it is 100% pure natural rubber, soft, durable, flexible and foldable. No water leaking, no cracking. NOTE: keep the hot water about 3-5cm away from the bottle mouth, when the hot water is poured into the bottle !!. ?Stylish Faux Lambswool Cover?Come with faux lambswool cover, it is extremely downy and soft to the touch. The fibers don’t lay flat on each other, creating small air pockets that can trap and release heat, allowing the fiber to maintain the warmth. It will be a great gift of festivals and christmas to kids, friends and families. ?2.2L Large Capacity? The inner tank is made of 100% natural rubber, which is durable and leak proof. 2.2L Lage capacity for hot water can give you a long-lasting warmth in cold winter. With high quality natural rubber, our hot water bag can keep warmth for more than 8 hours, powerful heat retention performance can bring us continuous heat during cold days. ?72cm Long Design? Our hot water bag bag with soft fluffy cover is 21 inch long. The length is longer than traditional one, the heated area is larger. Full length design for you to fix it on your neck, waist, abdomen, back. Warm your body and bed in the cold winter. It is also useful to relieve soreness and pain, especially for women period pain.