Larvin Torria Half Frame Polarized Wayfarer Sunglasses with Metal Rivets Metal frame TAC lens polarized Lens width: 51 mm | Lens height: 40 mm | Bridge: 20 mm | Arm: 138 millimeters REAL UV400 PROTECTION- Includes 9 layers, block 100% harmful UVA (320-400 nm), UVB (280-320 nm) and UVC (100-280 nm) Rays, eliminate reflected light and scattered light. TAC POLARIZED OPTICAL LENS- is made from a special material which is impact and scratch resistance. It offers a high level of optical clarity. Larvin Torria sunglasses comply with EN 1836:2005 and US FDA 21 CFR 801.410 and FDA drop ball test. Safety protection with shatterproof lenses. PREMIUM COMPOSITE METAL TEMPLE- These temples are made of Al-Mg alloys from Brazil, which is widely used in aerospace science and digital products manufactures. SUPERLIGHT, STYLISH, DURABLE- Lightweight design is ideal for usage by cycling, driving, climbing, running, fishing, racing, skiing, trekking or other outdoor activities enthusiasts. 30 DAYS MONEY BACK GUARANTEE- All customers enjoy 30 Days Money Back Guarantee. Customers can return and get refunds in case the purchase is not satisfactory for them.