Safety Goggles With Air-Valves (Bundle of 10) The Material: PVC frame, polycarbonate impact-resistant lens. Advanced lens surface. Enhanced treatment, impact resistance, double-sided anti-fog. Highly transparent, all-round protection without dead angle and wide field of vision Adjustable head belt: The elastic band design to facilitate the fastening of the head circumference. It has wide space and it's suitable for head circumferences Applicable Places: Hospitals, mining, sports, oil, drilling, scientific research, driving, steel mills, factory operations labor protection industry, liquid research, field investigation, severe sandstorm, heavy dust, and other environmental occasions The goggles can be worn in daily life. You can clean them with steam once every two days, which can also eliminate the dust Standard GB14866:2006 Instructions: Take a product out of the package at the opening. After pulling the elastic band, fix the goggles in a comfortable eye position so that they can firmly fit the face.
