Wearable Cooling Tube, Reusable Cooling Neck Cooler

No battery needed! No charger needed! Freezing starts ANYWHERE below 18°C (64°F). Simply place this neck cooling tube into iced water. 

No ice around you? No worries! It freezes using any AC! Car AC, Office AC, Home AC, ice box, refrigerator, freezer.
* Automatically cooled to a temperature below 18ºC.
* Freezes in air conditioner or cold water from the water purifier.
* Enjoy cool time for 40 minutes up to 1 hour. Cold holding time varies depending on the external environment. No risks of skin necrosis or frostbite through cooling by maintaining an optimal cooling temperature.
* You can use it anywhere, anytime, anywhere, hiking, summer vacation, construction sites.