Carfia has been working on providing excellent designer sunglasses from 1981. Fashionable, well-designed and classy, Carfia Sunglasses is highly viewed by the fashion world. And we keep up the best service on Amazon★★★★★365 days breakage warranty with money back Guarantee!!!✔✔✔12 hours quick response service, contact"MAYBE TRADE CO.,LTD" and we'll be there. Package included1* Sunglasses1* Soft Lenses Wipe1* Polarization Testing Card 1* Nice Sunglasses Case1* Hard Protection BoxFeatures and Benefits1.100% UV400 Protection2.Filtering out 99% of Reflected Glare3.Solid & Ergonomic Construction4.Round Lenses Coverage Against Sunlight Wind and Impact5.Stylish and Advanced Appearance by Innovatively Experienced Designer How should I care for sunglasses?1.No paper towel or cloth, which can grind dust and fibers into Lenses and leave scratches.2.Avoid using household detergents or soaps, they are powerful enough to slowly disintegrate Lenses coatings.3.Be careful of the seawater corrosion and avoid consistent hyperthermal exposure under the car windshield.How Do Polarized Lenses Work?Light reflected from surfaces such as a flat road or smooth water generally is horizontally polarized.This means that, instead of light being scattered in all directions in more usual ways, reflected light generally travels in a more horizontally oriented direction.This creates an annoying and sometimes dangerous intensity of light that we experience as glare.Polarized sunglasses reduce glare reflected off of roads, bodies of water, snow, and other horizontal surfaces.Polarized sunglasses cut glare and haze so your eyes are more comfortable and you can see better.