- Experience long-lasting heat retention with our advanced thermoplastic hot water bottle. It surpasses traditional bottles with lids and doubles as an ice pack or cold water bottle for versatile use. - Important: This hot water bottle should not be heated in the microwave. Fill only up to two-thirds of its capacity with hot water. After releasing air, securely tighten the lid to prevent burns. - Designed for comfort and relief, this hot water bottle is perfect for soothing sore muscles, alleviating stress, and easing cramps associated with arthritis and menstrual pain. It also serves as a cold compress to reduce fever and swelling from minor injuries. - The hot water bottle features an elegant lid that shields your skin from hot rubber, enhancing safety and adding a chic touch. For optimal performance, replace the rubber bottle every two years and regularly inspect the cap for wear. - Use scenarios: 1. Wrap the bottle in a soft cover and place it on your lower back to relieve chronic pain after a long day. 2. Use it during menstrual cycles to ease discomfort by placing it on your abdomen. 3. Chill it in the freezer and apply as a cold compress to manage swelling from sports injuries. This product combines functionality, safety, and style, making it a practical addition to your wellness routine.