Feature: 1. 6 Inch: Ice pack is the perfect size, 6 inches is usually used for adults to apply on the forehead, face and localized acupuncture points, suitable for children and teenagers to apply on all areas. 2. Easy to Use: For cold treatments, easily add ice and water (no more than 2/3) to fill your wonderful ice bag. For hot treatments, simply add some hot water (no more than 2/3), do not boil, 50-60°C is best. 3. Pain Relief: Hot cold ice pack features a large 5cm/1.97in opening for easy filling with ice or water. The ice pack restricts blood flow, reduces swelling and muscle spasm; the hot pack improves pain and other symptoms. 4. Good Performance: Ice bag is non toxic and can be used many times. Soft, waterproof and pliable to hold hot and cold water for long periods of time. Excellent leakproof lid and waterproof design. 5. Practical and Convenient: Ice bag is lightweight, small and easy to carry. Hot cold ice pack is perfect to keep in your home, office, car and travel bag to prevent accidental sprains or pain. Specification: Item Type: Ice Pack Material: Polyester, PVC Coated, ABS Size: 6 Inch . Package List: 1 x Dark Blue Ice Pack 1 x Blue Ice Pack 1 x Pink Ice Pack Note: 1. Water temperature should not exceed 60°C.2. Be careful not to scald when filling with water.3. Do not use microwave oven.4. Do not use the same part for a long time, it may cause low temperature burns.5. Ice packs have frozen water on the outside, this is normal physics and not a leaky ice pack.