Premium Natural Rubber: Hot water bottles are made of natural rubber. BS1970:2012 safety tested and monitored. This helps maintain the liquid temperature and retain heat longer than conventional silicone hot water bottles. Excellent Warmth: The hot water bottle provides particularly long-lasting warmth. Especially on cold winter days, the hot water bottle provides warmth and comfort. The First Choice for Pain Relief: The hot water bottle provides a pleasant feeling during heat therapy. The hot water bottle can relieve abdominal and menstrual discomfort, colic, and lower back pain. Wide Range of Applications: Whether on the go, at home, in the office, or outdoors, the hot water bottle is very practical. It is an essential winter warming tool for you and your family. High-quality materials and elegant design also make it the best choice as a gift. Professional Service: We strive to provide good service to our customers. If you have any questions about our products, please feel free to contact us at any time. We will reply to you within 12 hours.