As a factory, we take pride in the quality and functionality of our products. Our innovative cooling collars come in three different types: phase change cooling ice collar, PCM solid liquid constant temperature collar, and outdoor sports cooling collar. All of our collars are designed with a special technology that keeps them at a consistently low temperature for extended periods of time. These cooling collars are perfect for athletes, outdoor workers, and anyone who needs to regulate their body temperature in hot weather. Trust in our factory to provide you with high-quality cooling technology designed for your needs.