Eye injuries at workplace are not uncommon. Why do suffer from eye trauma, vision loss, disability, when 3M 1621 - Polycarbonate Safety Goggles for Chemical Splash can save you from dust, flying objects. This industrial type protective glass weighs 259 gram and comes with adjustable headbands. The polycarbonate lenses are thin and provide better vision for the wearer. The goggle’s frame is made of corrosion –resistance PVC material.