Reusable and Eco-Friendly: Made from high-quality, TPU durable materials, this cooling tube is reusable, reducing waste and environmental impact. Just place the ice neck wrap in the refrigerator or freezer for 20-30 minutes, and then enjoy 1.5-3 hours of cooling relief. (Cold duration may vary based on the surrounding environment.) Safety Design: Neck cooling ring engineered with a seamless, one-piece design, there are no joints to worry about, eliminating concerns of damage or leakage. The liquid filling has undergone rigorous safety testing by SGS, guaranteeing a product that is both safe and reliable for continuous wear. Adjustable Fit: Ice ring boasts a versatile, flexible design that effortlessly contours to your neck, ensuring a snug and comfortable fit for optimal cooling performance. Stay Cool Anywhere: Ice-cool neck collar Engineered for both indoor and outdoor environments. Neck cooling tube is lightweight and easy to carry Whether you're engaging in outdoor sports, working in the garden, or simply relaxing at home on a hot day, this collar provides a refreshingly cool sensation, helping to regulate your body temperature and enhance your overall comfort. Ice ring is designed with advanced technology and materials to ensure it does not form condensation droplets. Therefore, you don't have to worry about it wetting your clothes. You can stay comfortable, dry and cooling whenever and wherever you use it.