This pair of Zenon Z12 high-impact safety eyewear can be used for general manufacturing and anywhere eye protection is needed. The lens is composed of clear polycarbonate with a hard lens coating. The polycarbonate frame is designed with a rimless front for light weight and has thin, flexible black temples which provide a secure fit without pinching. The relaxed saddle bridge design fits most wearers. Zenon Z12 safety eyewear meets ANSI Z87+ Standard, and is ISO 9001:2000 Certified. One size fits most. Lens Material: Polycarbonate. Lens Color: Clear. Lens Coating: Hard Coat. Frame Design: Rimless Front. Frame Material: Polycarbonate. Frame Color: Black Temples. Frame Feature: Flexible Temples. Bridge: Flexible And Relaxed. Lens Height: 1.9in (48mm). Overall Length: 6.1in (155mm). Overall Width: 5.6in (142mm). Size: One Size. Protective Industrial Products® #: 250-01-0000.