This is one of the most often overlooked seals on your car, it installs on the lower leading edge of the quarter window and helps keep the wind and dust out of your car. This seal fits 1968-1972 GM 'A' body convertibles and 2-door hardtops, sold as a pair. For use on 1968-1972 Chevrolet Chevelle and Malibu convertible, 1968-1972 Buick Skylark convertible and the 1970-1972 Chevrolet Monte Carlo 2-door hardtop.