Ice Neck Cooler Light Blue, Size L How about this for heatstroke prevention? ^_^ [Size] Length 17.6cm, Width 15.2cm, Neck Circumference 34cm, Weight approx. 132g Freezes naturally below 28°C Lasts for 2-4 hours No condensation, so you don't have to worry about getting your skin or clothes wet. Reusable ECO neck cooler ----------------------------------------------- ☆Please read the profile before purchasing. ☆We will prioritize those who purchase immediately. #mizupon's other products Neck Cooler, Cool Neck, Heatstroke Prevention, Summer, Adult, Women's, Men's, Light Blue, Blue, ECO Natural freezing, No condensation, Cooling, Cool Neck Ring Cool Ring, Neck Ring 38-16