This goggles can avert or reduce the damage of laser to the human eye.?It is a kind of efficient safety goggles, applicable to a variety of lasers. Features: Protectable laser wavelength range: 200-2000nm, OD4+, 70percent visible light transmission; broad spectrum protection, block UV, blue, red and infrared pulsed laser light. Laser protective glasses are an efficient and safe goggle made of PC material and light absorbing material (special rare metal compound nano material).? Classic style, ergonomic design. Adjustable temples to fit most people. Wrap-around, one-piece, scratch-resistant lenses protect your eyes from laser damage in all directions. Retractable eyeglass frame: Ensure a snug fit between the glasses and the face, effectively blocking harmful light from entering the glasses through the gaps. Suitable fields: laser marking, laser engraving, laser cutting, laser skin rejuvenation instrument, laser spot removal instrument and other laser beauty instrument and other applicable wavelength laser equipment. Specifications: Color: Grey / Green (Optional) Lens Material: PC Protection Wavelength: 200-2000nm Density: more than 5.0 (OD + 4) Visible Light Transmittance: 70percent Wavelength: 650nm Protection Features: Absorption all Directional Protection Suitable for Laser: Infrared Laser / YAG Laser / Diode Laser / Laser Beauty Equipment Item Size: 150 * 52mm / 5.91 * 2.05in Item Weight:?32g/1.13oz Package Weight:?83g/2.93oz Package Size: 17 * 7 * 6cm / 6.69 * 2.75 * 2.36in Package List: 1 * Protection Goggles 1 * Goggles Case 1 * Glasses Cloth (Random Color)