Description

Using the modern high biological technology and the latest scientific formulamaterials filled "constant temperature phase change material," constant temperature materials that keeping constant temperature need not fill other materials, without power, energy down hot, use namely cold, easy to clean, no carbon beneficial to the environment. The outer packing waterproof breathable fabric.

1.  Cooling temperature under the room temperature. 

2.  Electricity nouse.  
3.  Safe and reusable.
 
size :*6**2.5cm