Product Description:MALLIKA CREATION Ice Cold Pack Reusable Ice Bag Hot Water Bag for Injuries Hot & Cold Therapy and Pain Relief(Ice Bag multi colour 9")Material: PVC / clothModel: S/M/LSize: 9 inchesThickness: 1.6cmUses: Eliminate fatigue reduce swelling and pain etc.Use Method One (Cold Compress):1. Open the lid put a small amount of water and then put the ice cubes. The volume of the ice cubes accounts for 1/2 to 2/3 of the ice pack capacity.2. In order to prevent the water from leaking out cover the lid tightly and pay attention to the fact that the lid is not easy to seal when it is tilted.3. Put the ice pack on the cold compressing area and fix it with bandages or special protective gear. To prevent the ice pack from being too cold you can use a towel and underwear as a cushion. In order to prevent the corners of the ice from scratching the bag you can use water to wash the ice cubes off the corners. reuseUse Method 2 (Hot Compress):1. Open the lid and inject 2 to 3 degrees of warm water at 50-55 °C.2. Cover warm parts are separated by towel or underwear3. It is convenient to use water heater with temperature regulation function to fill water.