Made with innovative phase-change PCM material developed by NASA
Worn around the neck to feel a cooling sensation of about 18℃, quickly lowering body temperature
Can be frozen in any location below 28°C, freezing faster and lasting longer than water (5 minutes in a freezer, 10 minutes in a fridge, 30 minutes in ice water or air conditioning!)
Can be used sustainably for 2-4 hours, depending on the ambient temperature
Environmentally friendly and durable, can be used over 8,000 times or more
Lightweight and practical, with no dripping
Certified to ensure non-toxicity and harmlessness, won't cause frostbite on skin
Available in pink, bright yellow, and dark green
Size: approximately 14.5cm x 33cm x 2cm