1、Keep Warm: The temperature of the hot water bag can be maintained at room temperature for at least about 3 hours. Put it on the bed for ten minutes and the bed will warm up. Put it under the quilt, its temperature can be kept overnight. Let the hot water bag warm your winter. 2、Easy to Fill Water: The 8cm wide mouth of hot water bag is easy to fill with water and the splashproof lip prevents water from splashing. Hot water bag is length of 72cm and 12cm wide. 3、Warm Up Your Body: Hot water bag can be used for warming hands, neck, waist and back. After you put the hot water bag into your bed before going to sleep, it can provide you with a warm bed. 4、Soft Cover: Hot water bag comes with a soft fluffy cover, bringing a comfortable touch. Our warm water bottles are environmentally safe and well sealed for leakage proof. 5、Ideal For Travel: The soft cover on this Hot water bag helps you use it as a travel pillow for your bus or plane trip. Perfect for keeping warm on cold nights. It's also a perfect gift! 1 x Fluffy Cover1 x Hot Water Bottle Item Type: Hot Water BottleMaterial: Rubber, plushWeight: Approx.585g/ 20.64ozLength: 72cm/ 28.35inWidth:12cm/ 4.72inMouth: 2.8cm/ 1.10inWater Volume: 2000ML