PROTECT YOUR EYES: Sun visor extender protects your eyes like sunglasses. The polarizing plate can eliminate glare and provide you with a clear vision. Make the visual environment soft and comfortable, reducing eye fatigue【Patented Design】 | PREMIUM MATERIAL: The sunshade lens is made of high-quality PC material, which is resistant to high temperature and not easily deformed. Clip with non-slip strap can better fix large polarizer and escort your driving safety. Polarized car visor lens size: 16.9 inch (L) *7.87 inch (W) | 4-IN-1 MULTIFUNCTION: 1. In summer- Can block the sun to protect your eyes. 2. In winter- Can reduce snow blindness and allow you to drive safely. 3. In foggy- It can increase visibility in fog to maintain a safe distance (Note: It is not recommended to use the sun visor for car in the dark.) | QUICK INSTALLATION: Car visor extender only takes 5 seconds to install quickly, Fits perfectly to the original truck visor, ensuring your extender never moves and doesn't fall off while driving | QUALITY SUPPORT: Package: 1 polarized truck sun visor + 1 non-slip strap + 1 polarized test card + 1 cleaning cloth. We provide 1-year quality support for this polarized car sun visor. If you have any problems with the purchased product, please feel free to contact us, we will solve the problem for you as soon as possible