Block the sun"s harsh rays stylishly with the BRICA Stay-On Window Sun Shade. Channeling the super powers of static cling, this UV-filtering window shade sticks to your window to shield kids from heat and bright sunlight without impairing your view. There"s no need to detach this cute, circular-printed car shade when you want to roll down the window; its guide strip keeps it in place with the window down. This 16" x 16" shade can be trimmed to fit smaller windows.