UCool Cooling Device will always cool you down Expels heat from the body: As your body overheats it generates perspiration that evaporates with air movement, naturally cooling your body temperature. uCool vastly multiplies that natural, evaporative cooling process so you don't have to perspire. Perfect for jobsites , exercise and fitness, outdoor activities, on the road, and more As your body heats up, a special heat wicking fabric inside 31 superconductive fins draws heat away from the body, replacing it with the refreshing coolness. Lowering your body temperature so you stay cooler. Easy to use: All you need do is spray it or soak it with water, and then put it around your neck. Immediately, you will feel the cool sensation, a sensation which helps your whole body feel more comfortable especially when it is hot out. Perfect fit for everyone: Indoors, outdoors, at home, or on the job, UCool will keep you cool this summer No fans, batteries or refrigeration: Simply wet it, slip it and feel cool (8500) Perfect after-sales service: If you have any quality issues or do not like it after receiving it, please contact us and we provide free return and exchange services