✔ Injection-molded for heavy duty thickness. Â Made of Polycarbonate for high strength and light weight. ✔ Reduces sun glare for greater visibility. ✔ Reduce wind noise. ✔ Improve ventilation by letting fresh air in. ✔ Easy installation. No-drilling required. Visors are secured to your window with clip-on and 3M tape. ✔ Smooth-beveled edges and stylish smoke finish for sleek appearance. ✔ Limited one year warranty.