12 Pairs Jackson Safety Visio Safety Glasses / Case; Indoor / Outdoor with Black Temples; Universal Size (one size fits most) Stylish dual-tone frame; Indoor / outdoor lenses can transition according to your environment Three-point extendable temples help give the wearer a customized fit and enhanced comfort ANSI Z87.1+ standard for impact protection and the polycarbonate lenses provide 99.9% UVA / UVB / UVC protection Hard coated lenses for longer life and scratch protection