Specifications: Regarding the product of dm sunshade, the purpose we expected is to give user below functions: You can attach the sunshade in the front sun visor as picture shows above. 1. It is made in multi-layer nylon and terylene. 2. When the sunlight is very dazzling, you can move the sunshade a little forward, you will far away from glary light, but without obstructing the view. When you don't neet it, just move it backwards, it is covert. 3. Easy for installation, taking off and folding,5 years guarantee. 5. Increases privacy. We are very welcome if you have any questions and requirements about our products, and feel free to contact us. We will try our best to provide approximatively 100% satisfaction in both procucts and services.