The Honeywell North N-Vision standard safety glasses is made of polycarbonate, is packaged 5 boxes per case, comes in clear black/gray and meets ANSI Z87.1-2010, CSA Z94.3 standards. These types of items are designed for specific applications which feature ways of safeguarding & shielding itself and/or the user. This item is designed and manufactured such that it offers the following protection: Anti-Fog, Anti-Static, Impact-Resistant, Scratch-Resistant, UV-Protective. Provides 99.9 % of UV Protection.