Anti-Fog Wide-Vision Lab Safety Goggle, Eye Protection for Classroom Lab, Home, and Workplace Safety Style: Air-tight, Double-sided Anti-fog (Lenses) Material: PVC+PC Eye Mask Size: 160*80*80mm Eye Mask Weight: 69g/pcs Non-Vented: These protective goggles help protect against liquids, dust, smoke and chemical splashes, allowing you to work in a safe and secure environment. Lens: Clear splash-proof lenses with anti-fogging coating on both the inside and outside to ensure clearer vision. Adjustable head belt: An elastic band design to facilitate fastening to the head circumference with a wide space allowing for various head circumferences. Soft edge design: The frame is made of lightweight PVC making it soft and bendable, comfortable to wear and results in no feelings of pressure. Recommended Medical equipment for primary / outpatient / community and social care settings.