COGIT COOLOOP Ice 47322 Sheet, Blue, (Blue/FF/Men's, Women's, Jr.)

Product Description: - Stays cool for approximately 3 hours even on hot, humid nights (*Maintains a cool temperature of approximately 27 degrees C for 3 hours in an environment with a temperature of 30 degrees C (according to Unitika Garment Tech Co., Ltd.)). - Uses special material "PCM": Absorbs and releases heat by repeatedly freezing and melting (solid⇔liquid) depending on the temperature environment. It turns into a cool solid below 28 degrees C, so no freezing or refrigeration is required. - Freezes naturally below 28 degrees C. Does not condense. Reusable. - Block shape fits comfortably on the head. Keeps the pillow from getting wet! - Not too cold at 27 degrees C. - Use on your back or buttocks during a nap.