Package Dimensions: 6.8 x 3.2 x 2.4 inchesShipping Weight: 4.8 ouncesItem model number: dg-2plastic frameplastic lensnon-polarizedLens width: 15 centimetersNightvision+Sunglasses,For 24 Hours Use!Light weight only 21g ,you can hardly feel them on your face.Lens Height:42MM,Lens Width:68MM Temple Length: 145 MM,Nose Bridge: 20MMGreat for surfing, cycling, hiking, driving, shooting, hunting, paintball, etc.UV 400 Protection Lens, keep you out of ultraviolet rays.Target User for Fishing, Golf, Cycling, Running, Driving and all Active Indoorand Outdoor lifestyles! Black grey is suitable for driving during the day, itcan block the strong sunlight, dust, haze. Yellow for driving at night, it canweaken the opposite lights on the eyes of the stimulus. Features: High-qualityhinges, high-definition lenses, high-quality PC mirror legs,Fashion andstylish design cool sunglasses for mens and womens. Package Inclued:Sunglasses 1 + Night vision glasses 1 Or Night vision glasses 2 HardProtection Glasses box1 Note: Sunglasses has 2 kinds of Lens:Polarized andNon-Polarized,Both are resistant to UV and sunlight. Some people think thatpolarized sunglasses is upscale, Non-Polarized sunglasses is low-end,In factitâ??s not.Some Famous brands, like Ray-Ban, Oakley also has Non-Polarizedsunglasses Which are over $100. Whatâ??s the difference between Polarized andNon-Polarized? Polarized Lens Suitable for the sunlight is very strong,likeSummer at noon in Hawaii. But when you in Low light conditions like indoor,Light will also be weakened. When you watch TV, computer,cell phone andVehicle navigation screen,you may see the screen is very dark or evencompletely dark by different angles. Non-Polarized Lens will be little weakerthan Polarized Lens at anti sunlight. But when you in door or watch TV,computer,cell phone and vehicle navigation screen your vision will be lighterand clearer than the Polarized Lens. If you are mainly in outdoors andstronglight conditions,the Polarized Lens will be better. If you want use itboth outdoor and indoor,and also need use cellphone, computer and Vehiclenavigation when you wear sunglasses.the Non-Polarized lens will be better.