250 28 0002 Semi Rimless Safety Glasses with Black Frame, I O Lens and Anti Scratch Coating _related_nitrile ASTM F1670 1671 standards for blood ANSI Class 1 ASTM F1670 1671 standards for blood and viral penetration Passes NFPA 99 antistatic test FDA food compliant One time use product 9% color clarity Impact resistant Front latch to securely close Fully opened shield rests above head Meets NFPA 70E 2021 Sold as quantity: 12 Pairs semi rimless design provides all day user comfort Wraparound lens design with distortion free viewing Bayonet temples with rubber tips provide a comfortable fit Temple tips curve out at ends for ease of placement on face Ribbed rubber nose pads offer a more secure fit Supplied with an adjustable neck cord 8 Base curve lens Meets ANSI Z87