XSHINE Classic Metal Half Frame Horn Rimmed Polarized Clubmaster Sunglasses metal frame Composite lens polarized Lens width: 51 millimeters HD polarized lens - protect your eyes from glare and 100% uv400 protection Metal frame - made of aluminum-magnesium alloy material which is lightweight and strong Retro style without losing the sense of fashion Frame Total Width: 142 mm - Lens Height: 44 mm - Bridge: 20 mm - Frame Leg Length: 138 mm Lifetime Warranty and 100% Money Back Guarantee - if customer is unsatisfied with our sunglasses, we will give you a refund