Heat Sensitive Face Mask

Overview:

This face mask has the ability to change color whenever you’re breathing in or out. You don’t have to worry about bad breath, the color of the face mask is not affected by any other factor than temperature change.

Specifications:
Material: cotton
Applicable gender: neutral/male and female
Mask style: hanging ear type
Function: Dustproof
Color: Adult model yellow and orange discoloration, adult model blue and green discoloration, adult model blue and purple discoloration, children model yellow orange discoloration, children model blue and green discoloration, children's single blue and purple discoloration

Package Content:
1 x Mask