The 3M 08611 Windo-Weld Round Ribbon Sealer Kit is a high-quality butyl rubber-based adhesive designed for sealing automotive glass installations, specifically in the pinchweld area of vehicles. This preformed sealer ensures a strong and durable seal against water leaks and air infiltration, contributing to improved vehicle safety and reduced wind noise. Its controlled compressibility allows for easy installation, prevents excessive squeeze-out, and blocks light from reaching the pinchweld. The kit provides sufficient material to replace one windshield or backlite, offering optimal results and performance longevity. It is ready to use and offers excellent adhesion to glass and metal.