Put your message where it can be easily seen while keeping the vehicle interior cool. Unique patent pending design incorporates two elastic cords on each banner end for easy attachment to each of the vehicle's side mirrors. Fits virtually any windshield. The 1ft. 8 inch tall x 4 ft. 2 inch wide banner is made of heavy-duty, reinforced, weatherized vinyl. Reusable and easy to take off for test drives.