Anti-Fog splash shield safety goggles surgical against liquid splash safety over glasses. Perfect for Eye Protection and a superior protective safety glass to protect the health of you and your family!OTG (Over-the-Glass) design fits comfortably over prescription eyewear; protects against impacts, dust, airborne particles and chemical splashesClear Polycarbonate lens, good visual effect, splash-proof, anti-scratch coating protective eyewear, effective for isolationThe elastic band design to facilitate the fastening of the head circumference. It has wide space and it's suitable for various head circumferencesMade with a soft, flexible PVC body to ensure proper fit and comfort. The wraparound side shield construction provides a perfect fit and seal(American Standard) ANSI Z87 + - 2010