3M BX Protective Eyewear, 11524-00000-20 Anti-Fog Lens, Blue Frame (Pack of 20)Clear anti-fog lens, blue framePolycarbonate lens absorbs 99.9% UV raysMeet the requirements of CSA Z94.3-2007 and ANSI Z87.1-2003Quantity: 20 glasses3M BX Protective Eyewear, 11524-00000-20 Anti-Fog Lens, Blue Frame (Pack of 20) are sleek, contoured and fully adjustable eyewear that are comfortable to wear. The glasses feature a soft adjustable nose bridge, lens angle adjustment as well as adjustable length temples for extended wear. The popular, stylish design blends style and function. Their soft nose bridge makes extended wear pleasant, unlike many other protective glasses. Their adjustable length temples and lens angle allow for a customized fit, so that they work for many different facial profiles. The glasses feature polycarbonate lenses that absorb 99.9% UVA and UVB rays. These glasses are recommended for many tasks including: assembly and mechanical, chipping, chiseling, cleaning, drilling, grinding, machining, masonry, metal repair, painting, pouring/casting, power fastening, riveting, sanding and sawing. Many industries use these glasses including: aviation, construction, food and beverage, general manufacturing, mining, oil and gas, and primary metals and transportation. Meet the requirements of CSA Z94.3-2007 and ANSI Z87.1-2010. According to the Bureau of Labor Statistics, approximately three out of five workers who suffer from eye injuries were not wearing the proper eye protection at the time of the accident. Thus, eye protection is important in order to safeguard your eyes and maintain healthy vision. Quantity: 20 glasses.