HD Night Vision Driving Polarized Glasses Anti-Glare Yellow Lens Mens forOutdoor metal frame plastic lens polarized Lens width: 68 millimeters Lens height: 40 millimeters BIRCEN HD Night Vision Night Lens : Polarized yellow lenses reduce night driving glare and eye strain, enhance night vision, improve color clarity and optical definition,High-definition lens gives you a natural & clear vision.Protect your eyes from harsh environmental elements, such as unexpected reflections, bright headlights, and the sun's harmful rays. Adjustable Al-Mg frame : High Elasticity, and Durable, flexible arms and nose pad to fit different face.High strength anti breakage resin lens for safe glasses.Our lenses are ultra-light and ultra-thin. These night vision glasses are made for men and women for safe night driving,sports,outdoors or cloudy, rainy days,foggy day, making driving more safe.You could also wear it for fishing, skating, cycling, running, and all outdoor activities. Lens Height:40MM(1.57 Inches)--Lens Width:68MM(2.67 Inches)--Temple Length--132MM(5.19 Inches)--Nose Bridge:13MM(0.51 Inches)--Frame Length 150MM(5.90 Inches) 30 DAY MONEY BACK GUARANTEE-100% satisfaction guaranteed. That is our promise. So, if you're not completely happy with your purchase within the first 30 days, just let us know. We will do whatever it takes to make it right.