Keep Warm: Use the hot water bottle to keep hands and feet warm, or take it to bed on a cold winters night to warm up the sheets and stay warm till the morning.Relieve Pain by Hot/Cold Therapy: The hot water bag can be used as hot compress to relieve menstrual cramps, muscle aches, and pains in various parts of body. Or use the water bag as cold compress to cool down in summer and for sports injuries pain relief.Durable & Safe: Made with thickened eco-friendly PVC that is explosion-proof and high temperature resistant, the hot water bottle with sealed screw cap is leak proof and safe to use. Comes with a soft velvet water bag cover for more uniform heat dissipation and longer heat preservation.Simple Use: The hot water bottle with wide mouth is easy to fill and use. The PVC water bag is semitransparent so that you can know exactly how much water is inside when filling.Care Your Care: ONLYCARE offers premium quality products to improve your well-being. Our team is always available to help you get the most out of your purchase. Feel free to reach us by email at any time.