Colourful hot water bottle: This hot water bottle made of natural rubber is perfect as a bed warmer or on the couch and in the armchair. Fill the hot water bottle with warm water and place it under the covers in bed or against your back on the couch and you will feel pleasantly warm and cosy. Cooling down in summer: The beautiful hot water bottle can also be used in summer. Fill it with cool water or ice water and cool down pleasantly. For aching limbs: Do you have back pain or stomach ache? Depending on the pain, it can help to warm the relevant part of the body. Heat can loosen the muscles and be beneficial for the body, especially for sore muscles or stiff limbs. Place the hot water bottle filled with warm water on the area of the body that hurts and relax. With slats on one side. Also beneficial in summer with cooling water. Ideal for aching limbs or stomach pains. Snuggle up cosy and warm in bed or on the couch/armchair.