materials The car sunshade is made of sturdy PP plastic and polycarbonate (PC). It blocks UV rays and visiblespectrum radiation to protect your vision and improve visual clarity. 2 in 1 car antiglare design This is a 2 in 1 antiglare sun visor with dual sided gray and yellow surfaces. The gray side reduces daytime glare and harmful rays, while the yellow side diffuses glare from oncoming headlights at night. The two sides are designed to be used as needed for day or night driving. Eye protection during driving The gray sun visor extension blocks direct sunlight, reduces sun reflections, and helps eliminate the contrast between bright and shaded areas, such as when exiting a tunnel. It helps prevent eye fatigue and is suitable for people who are sensitive to glare. Safer driving performance The sun visor blocks and absorbs UV rays from outside the car, reducing overall light intensity during bright mornings after hot sun or snowy conditions. This protects vision and skin and contributes to safer driving. Practical use scenarios Daytime driving on bright, sunny highways where glare reduces visibility. Night driving with oncoming headlights that cause harsh glare. Driving through tunnels or transitioning between bright and dark areas to minimize abrupt light differences. Snowy or clearsky conditions where reflective glare is . Note: This description maintains the product's original materials (PP plastic and PC), dualsided gray and yellow design, glare reduction features, and focus on eye protection and safer driving.