This face shield has a frame of glasses for strong fixation. It is double-sided anti-fog.It is safe, lightweight, and easy to carry.This face shield is resistant to high temperature and impact.The precautions of the product are: before use, please remove the transparent protective film on both sides of the PVC sheet, do not wipe it directly.It is non-medical, and can be used for daily protection, anti-fog, anti-oil fume, anti-spitting, etc.