Shieldme SM-RK-018 Standard/Normal Face Shield is used by the general public, disinfection and sanitization team. Face Shield protects and prevents the entry of toxic liquid spatter or splash, harmful air bone microbes, and dust into your mouth, nose, and eyes. It also prevents you from touching your eyes, mouth, and nose subconsciously. The lenses are made of PET and light transmittance material, transparent and clear enough to ensure not affecting the normal vision of the human eyes.