When driving or riding at night, this product will block out and absorb car light ultraviolet rays, blue light, lower the light intensity of the oncoming car headlights, filter out stray glare reflected from objects and roads to let drivers see clear road conditions under the glare of light to avoid glare of headlights and visual vertigo to achieve goals of safe, comfortable and environmental friendly driving or riding. has function of adding brightness and shining, which will give you clear vision after wearing. And the function of adding brightness will work to the extreme in the morning and evening and when the sky is dark. At this time, even objects floating in water can be seen clearly. It also can human eyes resolution when using in the evening, on rainy days, and in heavy fog. Frame material: PC Lens material: Resin Anti-UV rating: UV400 lens colour：Yellow Visible light perspective: 99 (%) Applicable people: Unisex , Lenses Optical Attribute: Anti-Reflective, UV400 Usage Scope:Fashion, Driving,Outdoor Width of glass: about 5.2cm Width of nose bridge: about 13 mm size: about 14*14cm Package included:1 x Driver Goggles