Anti-Fog Wide-Vision Lab Safety Goggle,Eye Protection for Classroom Lab, Home, and Workplace Safety | Safety Goggle Chemical Splash and Impact Resistant Goggle Clear Anti-Fog/Anti-Scratch Coating Protective Eyewear | Polycarbonate lens: clear lens, good visual effect, splash-proof, effective UV blocking | Soft edge design: the frame is made of lightweight PVC, soft and bendable, comfortable to wear, no pressure feeling | Adjustable head belt: The elastic band design to facilitate the fastening of the head circumference. It has wide space and it's suitable for various head circumferences.