Skater Neck Cooling Medium Sanrio Kuromi Kids' Cooler, Ring, Reusable, Size, Women's, NCL1-A

Size: Medium / Neck circumference approximately 33cm (suitable for children and women) Neck circumference guideline: Women approx. 31.2cm, Men approx. 35.8cm Reusable, condensation-resistant cooling ring, perfect for combating the heat. It freezes naturally below 28°C, and the contents repeatedly solidify and thaw around 28°C. It can be cooled simply by immersing it in cold water. If you want to freeze it quickly, the refrigerator or freezer is recommended. When used after the contents have solidified, it will maintain a temperature of approximately 29°C for 90-120 minutes.