Technology: This Automotive Sun Protection Visor uses advanced technologies and PC material to filter out reflected light and eliminate the distracting glare that causes visual discomfort in sunny situations. Easy Setup: Complete with non-slip, elastic straps, our sun visor extender for cars allows for quick, easy, and secure mounting. No tools necessary. Anti-Glare: Whether you're a driver or a passenger, our sun visors for cars eliminate sun glare and help protect your vision against UVA and UVB light rays. Universal: Built for convenience, our car visor extender is universal in size and compatible with any car or SUV with a visor whose width is greater than 4.7 inches. Car Essentials: Whatever the weather condition or time of day, our visor extension for car visor will block out direct sunlight for better visual clarity when driving.