- Advanced Thermoplastic: This hot water bottle retains heat longer than traditional models, providing sustained warmth for relief from pain and discomfort. It also serves as an ice pack or cold water bottle for versatile use. - Safe Heating: Please note that this hot water bottle cannot be heated in the microwave. Fill it with hot water up to two-thirds of its capacity. After use, ensure the lid is tightened to prevent burns from escaping steam. - Classic Design: The timeless design of this hot water bottle makes it ideal for soothing sore muscles, alleviating stress, and easing cramps. It is effective for arthritis pain, neck stiffness, lower back pain, and menstrual discomfort. It can also be utilized as a cold compress to reduce fever and swelling from minor injuries. - Chic and Functional Lid: The included elegant lid prevents direct contact with hot rubber, minimizing the risk of burns. It enhances the aesthetic appeal of the bottle, making it a thoughtful gift for any occasion. - Durability Reminder: To ensure safe use, replace the rubber bottle after two years and check the cap for wear regularly. Use Scenarios: 1. Relax after a long day by applying warmth to your back or neck, easing muscle tension and stress. 2. Alleviate menstrual cramps or arthritis pain by using the hot water bottle for targeted relief. 3. Keep it handy in your first aid kit as a cold compress for minor injuries or swelling. This product combines functionality, safety, and style, making it a must-have for anyone seeking comfort and relief.