Cooling neck wraps is well -sold in Japan.
Immerse it in water, the inner material will be cold.
Supply OEM.

 

Introduction:                       
Usage:
1. put the middle part of this product into water, about 100 ml for 10-15 minute. Tap water and pure water are both suitable, but please do not use salty water which may damage the product. If inner material flow, use your hand to make it even.  
2. use towel to absorb extra water. Do not screw it hardly, which may damage the product.          
3. please put it on forehead or neck and other suitable position, the coolness may be different according to different environment.                    
4. if it is not cool enough, please use other side or put into water again. Do not freeze.Caution:
1. it is medical device.   
2. keep away from fire.                     
3. if any discomfort happens, stop using at once and consult doctor.                    
4. put it in dry place with good air flow.                           
5. it is not food and can not be eaten. Once eat, please go to hospital at once. If eye contact, please use enough water to clean your eyes or consult doctor.