Cyxus Polarized Lenses Classic Clip-On Sunglasses[Anti-glare][UV Protection] Driving/Fishing Outdoor unisex Eyewear plastic frame mirrored lens polarized Lens width: 60 millimeters This lens is DAY and NIGHT USING.You can use it no matter day or night. Lens height 40mm, Bridge: 15mm Polarized lenses can reduce reflections and enhance contrast, improving visual clarity and reducing eye strain Absorbs over 99% of harmful UVA, UVB and blue light rays spectrums "Cyxus" is a trademark by "Cyxus Technology Group Ltd" which is the unique manufacturer of "Cyxus" Cyxus clip-on polarized sunglasses can Improving visual clarity and giving you a Enhance contrast and reduce eye strain, Cyxus clip-on polarized sunglasses is designed The clip-on piece is made of hard metal and has The clip has been improved, so it is easier to The lenses drastically reduce the brightness of shiny surfaces, like chrome, and large bodies of water. It is suitable for driving, golfing, hiking, fishing, biking, sporting outdoors. The glasses have the polarized ability if you can see the beautiful pattern after putting it on the testing paper. The clearer the pattern you see, the stronger polarization ability it has. Cyxus Technology Group Ltd is an FDA registered company. The products of Cyxus Technology Group Ltd had pasted the RoHS test of the SGS and the drop ball test of the IRC.