DUCO Men's Polarized Night Vision Glasses for Anti-glare Safe Driving 3025Y DUCO 100% POLARIZED YELLOW LENSES- the polarized lens can filter from a variety of Angle of the extremely bright light vehicles,weaken from other vehicle headlamps and other reflective surfaces,make colors clearer and objects brighter, in the evening wearing this special night vision glasses, can let you see clearly all the details of the open road, to get a better view. METAL FLAMEIt is impact resistance and scratch resistance, it will not be broken even if you hit the lens with hammer.But it is comfortable even you can hardly feel them on your face.Best light enhanced lens tint,excellent night vision! PRODUCTS DIMENSION-Lens height:38 mm (1.5inches); lens width:72mm (2.83 inches); leg length:145mm(5.71inches). HOW TO TEST FOR POLARIZING GLASSES?- 1--Put the glasses in front of LCD screen and look through the lens--2--Turn the glasses 45 degrees--3--You will notice the color has changed.The light coming through should have been blocked,this means the lenses are POLARIZED 30 DAY MONEY BACK GUARANTEE - All DUCO customers enjoy 30 Day Money Back Guarantee. Customers can return and get refunded in case the purchasing is not satisfactory for any reason. You have no risk to try and we will provide you the best service!