Laser Safety Glasses (SKU: 300017)FEATURES Fiber and CO2 laser safety eyewear 800nm to 1100nm, OD 5+ Universal Fit and can be worn with prescription glasses. Laser Certified Standard: ANSI Z136 US FDA Includes durable protection zip case and lens cloth Durable frame w strap holes. 24 month warranty on frame Lightweight and comfortable to wear from long periods Specifications: Optical Density, Wavelength & Specs Marked on Glasses 800 1100nm OD 5+ 190 420nm OD 4+ Visible Light