Feature: 1. Can be used for hot compress and cold compress physiotherapy. 2. Used in antipyretic, anti-inflammatory, pain relief, cold compress, sprain care, hemostasis, pus, skin caring and other auxiliary physiotherapy. 3. Has more applicability, convenient to use, cleaning and widely applications. 4. Made of quality nylon fabric, durable and reliable in use, not easy to deform. 5. Close-fitting to your knees, wonderful using experience, effective relieve discomfort. Specification: Condition: 100% Brand New Item Type: Knee Ice Pack Material: Nylon Fabric Color: Blue Cold Compress: Put in the freezer (-18 ℃ to -20℃) can be used within 60 minutes, can also be placed in the refrigerator, in case of long-term need. Hot Compress: Put in microwave oven heating for 2 minutes (medium temperature), then touches the surface temperature with your hand. If the temperature is not high enough, then heat the bag for another 30 seconds until it is at the right temperature, or simply place the bag in boiling water for 5 minutes until it is heated.. Package List: 1 x Knee Ice Pack Note: 1. This compress bag is suitable for external use. If the package is damaged carelessly and the inner liquid touches eyes or skin, rinse with water.2. In order to prevent the temperature is too high or too low, it is best to use a towel or cotton to wrap it when using, if feeling uncomfortable after use, it should be put down for a moment then use, if the user's circulation system is abnormal, should follow the doctor's advice to use.3. The time should not be too long, 15 to 20 minutes is appropriate.