For 1968 GM A Body Convertibles, these windshield pillar post seals measure 23-3/16" long and are designed to fit perfectly on both the driver and passenger sides. Crafted from a durable sponge material with a jet-black, smooth skin, these seals are sunlight and UV-resistant, ensuring long-lasting performance and a flawless appearance. The smooth surface is free of exposed cells or flaws, providing a clean and polished look that complements the classic style of your vehicle. These seals are specifically made for 1968 Buick GS 400, Skylark, Chevrolet Chevelle, Oldsmobile 442, Cutlass, and Pontiac GTO, LeMans, and Tempest models, ensuring a precise fit and easy installation. Backed by a 30-year warranty from SuperSoft, you can trust in their quality and durability for decades to come.