Material:cotton+crystal ice gel.
This bandana-style scarf is suitable for use as head, neck, arm, or wristband.
Perfect for "cooling", just soak in water for 10-50 minutes, wipe the excess water away, and wear around your neck, forehead, or wrist.
Cool forehead,neck,anywhere you want cool,Fight fatigue and increase productivity
Advantage:unbelievabe absorbing and longlasting,reuse again simply by wetting the towel
Direction:no need freeze,just dip it in the water,then cool feeling comes