DUCO Carbon Fiber Temples Polarized Night Vision Driving Glasses Excellent Night Vision Introducing an elegant product that makes your night life a lot easier, DUCO Night Vision Glasses, a versatile and a must have product for your night driving. BEST LIGHT ENHANCING LENS TINT (Pale Yellow Lenses)  Enhance contrast in low to extremely low light conditions, haze, etc. Some of our customers say Knight Visor glasses combat eye fatigue, reduce drowsy driving at night and maintain your focus on the road. PRODUCT DIMENSION - Lens height: 40 mm (1.57inches); Lens width: 55mm (2.16inches); Temple length: 130mm(5.11 inches); Bridge width: 20mm(0.78inches); Frame width: 135mm(5.31inches) Al-Mg Metal Alloy FrameAluminum-magnesium frame construction generates proper strength and optical stability through a hybrid lightweight metal alloy. Soft thermoplastic rubber tipped temples grip lightly to ensure proper location of the optics without slippage. ACCESSORIES AND WARRANTY - Glasses case with carabiner and lens cleaning cloth included; we are not only selling sunglasses but also providing excellent customer service, DUCO provide lifetime warranty