On hot summer days, you can stay cool with our ice ring. This is a wearable neck collar that fits comfortably and securely around your neck.The neck cooling tube realizes fast freezing with a special PCM refrigerant that freezes at temperatures below 64 degrees Fahrenheit(18 degrees Celsius) and freezes faster than water. It automatically freezes in just 10 minutes in ice water or an ice box, 20 minutes in the refrigerator, and can even be freezing with air conditioning air. In addition, it can be refrozen even in hot weather conditions.You can experience high quality and comfort with our neck cooling hose with ergonomic design and eco-friendly TPU material, which is superior to traditional ice-cold cooling neck covers. It fits all neck sizes and is reusable.Our ice ring lasts for about 40-60 minutes, providing refreshing and pleasant cooling without the need for ice, batteries, chargers or fans, allowing you to enjoy a reliable cooling time.This ice ring maintains optimal cooling temperatures as it melts without dripping or condensing, say goodbye to the risk of skin necrosis or frostbite. It's also designed for people who are sensitive to heat to stay relaxed and comfortable in the heat. Description: Introducing the ice ring, the perfect solution for staying cool and comfortable in hot weather. Made from eco-friendly TPU material, our ergonomic design ensures a superior fit for all neck sizes. Unlike traditional icy cooling neck wraps, our reusable ice ring is designed to provide instant cooling with our special PCM refrigerant that freezes below 64 degrees Fahrenheit(18 degrees Celsius) faster than water. Simply freeze it in ice water or an ice box for 10 minutes, or in the refrigerator for 20 minutes, and enjoy up to 40-60 minutes of refreshing cooling without the need for ice, batteries, chargers, or fans. The ice ring is also safe to use, with no risk of skin necrosis or frostbite. It maintains optimal cooling temperatures as it melts without dripping or condensation. Perfect for those who are sensitive to heat, our ice ring will keep you relaxed and comfortable even in the hottest conditions. Stay cool with our innovative and long-lasting ice ring. Item Name: Ice Ring Material: PCM, TPU Product Name: Cooling Ice RingUses: Cooling, Relieve Dryness And HeatFilling: Bio-based Thermostatic Material PCMEnergy Storage Density: 200-240J/gFeatures: Portable, Quick Cooling, Heatstroke Prevention Size Details: L: 18cm/7.09", W: 15cm/5.91" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Ice Ring