This neck ring is suitable for both hot and cold temperatures, keeping you cool in the summer and warm in the winter.
-Unisex, one size fits all.
-Sized to cover the entire neck.
-To keep it cold, fill it with water or ice.
-To keep it warm, fill it with hot water. *Please use hot water below 40 degrees.
-Coolness lasts for about 60 minutes. Warmth lasts for about 30 minutes. *The cooling effect and duration vary depending on the individual's perception and environment.
-Can be used repeatedly at any time, summer or winter, at your preferred temperature.
-Great for cooling down after exercise, watching sports, heat countermeasures, long hours of outdoor work, construction sites, farm work, and many other occasions!
