Place of Origin
Jiangsu, China
Certification
CE EN352-2 ( Tested by PZT GmbH)
Material
Liquid silicone rubber
Color
Transparent with colorful filters
Function
Keep fine Voice from noisy condition
Feature
Safety\soft\comfortable\disposable
Size
Suitable for adult and children
Shape
Christmas tree shape
Packing
Free Polybag(Custom with additional fee)