Cool-Shade - Solar Protection Wrapped around a foam core, Cool-Shade rolls onto a window in seconds with no creases, for a smooth, wrinkle-free look. Providing year-round protection from the sun’s glint and glare, it helps block both UVA and UVB rays for lower car temperature. Adheres by static cling. Removable and reusable. Size is 17 7/8" x 13".