Vaculim Cooling Ring Ice Neck Ring Below Reusable Cooling Cooling Neck Heatstroke Unisex - Battery-Free, Self-Freezing 28°C, Long-Lasting, Ring,

[Naturally Freezes Below 28℃] The inside of the Cool Ring uses PCM material, making it an essential item for combating the heat with its excellent heat absorption. The Cool Neck freezes naturally when the temperature drops below 28℃, requiring no power source or batteries. It's an environmentally friendly eco-product that can be used repeatedly. [Keeps you cool for a long time] The Ice Neck Ring can maintain its cooling effect for up to 2 hours in a 35°C environment. It can be used for longer than commercially available cooling rings with lower freezing points. 【Comfortable to Wear】The cooling ring has a freezing point of 28℃, which is said to be the temperature at which people feel most comfortable. It does not condense when absorbing body heat, so your neck area will not get wet. It is lightweight and easy to use. [Freezes in 15 minutes] Cool Rings freeze naturally at temperatures below 28°C. They freeze in 15 minutes when placed in the refrigerator. They freeze in 20 minutes in cold water. The short freezing time makes them very convenient to use. 【Abundant Sizes and Colors】We offer three unisex sizes and five colors of cool bands for you to choose from. If you have any questions while using the product, please feel free to contact us. We will respond promptly. [Naturally Freezes Below 28℃] The inside of the Cool Ring uses PCM material, making it an essential item for combating the heat with excellent heat absorption. The Cool Neck freezes naturally below 28℃, requiring no power source or batteries. It's an environmentally friendly eco-product that can be used repeatedly. It freezes naturally, requiring no power source or batteries. It's an environmentally friendly eco-product that can be used repeatedly.