For the 1940 Mercury Series O9A convertible, this top pad seal is designed to fit perfectly at the rear quarter, ensuring a snug and reliable seal. Measuring 2-1/8" long by 1-7/8" wide, this pair of left and right seals is crafted from high-quality black rubber, free of any steel core for flexibility and durability. Built to protect your vehicle from water penetration, these seals help prevent costly interior damage and time-consuming repairs, keeping your classic Mercury in pristine condition. The sleek black finish blends seamlessly with the car's design, enhancing its overall appearance while maintaining its original charm. Backed by a 30-year warranty from SuperSoft, you can trust in the longevity and performance of this product, knowing it’s made with the finest materials and craftsmanship.