Description
Size: M size / neck circumference approx. 13.0 inches (33 cm) (suitable for children and women)
Neck guide: Female approx. 12.3 inches (31.2 cm), Men’s approx. 14.2 inches (35.8 cm)
Can be used repeatedly, and is resistant to condensation, providing a cooling sensation that prevents heat from getting cold
Naturally freeze at 76°F (28°C) or below and repeatedly hardens and melts the contents between 66°F (28°C).
Just place it in cold water to cool it down.
If you want to freeze quickly, we recommend the refrigerator or freezer
Keep the contents from being hardened for 90 – 120 minutes and approximately 29 degrees Celsius
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