Insulated Foil Car Sunshade - Cool & Protect Dash & Interior Keep your vehicle interior cooler while protecting dash & upholstery from sun damage Durable Mylar foil exterior reflects sun, cellular-foam layer insulates to prevent heat build-up Just unfold & place under windshield, fold down visors to keep in place Large 50" x 24" size covers most car & truck windshields Folds for easy storage, stays neat with permanently-attached elastic straps; weighs just 2 oz