The cover of the hot water bottles is not only fluffy and soft, but also ensures a perfect degree of warmth and protects you from excessive heat. Premium materail and strenthen in the thickness design. The hot water bottle is better in the heat permanently. You can use it when you sleep in bed. Made of premium natural rubber, phthalate-free, recyclable, odorless. Removable and washable cover. FOR WARMTH AND COOLING DOWN In winter, our hot water bottle is an ideal bed warmer. Five minutes before bedtime, the hot water bottle is filled with hot water and placed on the bed, which is warm and comfortable. In summer, you can also pour it into ice water to relax cool off in the hot summer. The hot water bottles are suitable for heat therapy. For example for cold feet, non-inflammatory joint pain, cramps, abdominal pain and period pain. Ideal for cuddling. A warm gift for children, parents and friends. Give your mother, wife, girlfriend a surprise in the cold Christmas season. WARNING Do not overfill as this may cause the bottle to burst. If there is a possibility that prolonged skin contact could occur, appropriate covering should be used to avoid burns. The hot water bottle should under no circumstances be used as a cushion and not sat on . Do not place anything on the bottle during storage. Check the bottle and stopper for wear and damage before use. Children should use under adult supervision.