- Advanced thermoplastic design retains heat longer than traditional hot water bottles, making it ideal for soothing relief. It can also double as an ice pack or cold water bottle for versatile use. - Important: This hot water bottle is not microwave-safe. Fill it with hot water up to two-thirds of its capacity. After use, ensure the lid is securely tightened to prevent burns. - The classic design offers effective relief for sore muscles, stress, cramps, arthritis, neck stiffness, and lower back pain. It can also serve as a cold compress for fevers or to reduce swelling from minor injuries. - Features an elegant lid that protects your skin from direct contact with hot rubber, minimizing the risk of burns. The stylish lid adds a personal touch. Remember to replace the rubber bottle every two years and regularly check the cap for wear. Use Scenarios: 1. Warm up the bottle and place it on your lower back after a long day of sitting to alleviate discomfort. 2. Fill with cold water and use it as a compress on a sprained ankle to help reduce swelling. 3. Keep it handy during menstrual cycles for soothing relief from cramps. This hot water bottle combines functionality with comfort, making it an essential addition to your wellness routine.