Hot water bottle made of natural rubber. With the hot water bottle you can preheat your bed excellent on cold nights and let yourself be warmed by the hot water bag. For discomfort in the back, neck or abdominal area, the bed bottle is also excellent. The warmth relieves pain and eases tension. Quickly filled with hot water, the bottle functions as a natural heat source. The large odorless rubber hot water bottle holds 2 liters, comes without a cover and is for children and adults. Safety instructions: Do not fill with boiling water as there is a risk of burns. Children should only use the hot water bottle under adult supervision.