คุณลักษณะ

• A cooling material for the neck that uses PCM, a new cool material that replaces ice and is hard to melt and freezes quickly.
• State-of-the-art PCM Material: Phase Change Material (PCM) is a new material developed to protect NASA astronauts from rapid temperature changes.
• Standard cooling time: When used outdoors, the product will not melt for about 90 to 120 minutes and the temperature will be controlled to about 28°C.
• Cooling time: Freeze for about 10 minutes, run water for about 15 minutes, car air conditioner for about 25 minutes. Can be used again after cooling.
• The neck has a large artery, and cooling the neck can cool the blood flowing throughout the body, so it can effectively cool the whole body and prevent heat stroke.
• It does not dew, so it does not get wet.
• It is durable, lightweight and easy to carry.
• Comfortable and cool for a long time.
• heat stroke countermeasures