For convertible models, these rear roll-up window seals measure 12 inches long by 2-1/4 inches wide and come as a pair for both the right and left sides. Designed specifically for 1949-1951 Mercury cars, these seals are crafted from advanced rubber compounds that resist sunlight, ozone, and chemicals, ensuring long-lasting durability. Unlike cheaper alternatives, Metro Moulded Parts avoids using accelerants or fillers in their molding process, preventing premature aging or failure. These seals are essential for keeping your convertible’s rear windows snug and protected from the elements, enhancing both functionality and appearance. Backed by Metro’s Platinum Warranty, you’ll enjoy 30 years of confidence in your purchase.