Neck Cooling Ice Ring

The Ice Ring is filled with PCM, which is short for Phase Change Material, and is solid in room temperature and just slightly below the human body temperature. This makes it perfect for cooling as it's not too cold to touch. How long does it stay cool ? This duration depends on the weather conditions and external temperature. Typically anywhere between 1-3 hours is normal. Note: if the weather is extremely hot, then the duration might be shorter How do I freeze it up ?   You can freeze it up by putting it anywhere with a temperature of less than 28°C or 82.4 °F Air conditioned room Iced water Tapwater Fridge Note: after cooling with using your fridge, please stop using immediately if you feel like it's too cold for you! Have a cool summer with the Ice Ring™. This revolutionary product from Japan provides relief from sweltering heat, with its ice ring that freezes under tap water, or when exposed to temperatures under 28 °C or 82.4 °F. Wear it around your neck to keep cool and enjoy