A two-part seam sealer for all general purpose automotive sealing needs that cures quickly to a tough, strong bead for lasting seam sealing protection. This includes door skins, floor pans, trunk floors, roof seams, and many other applications. Self-mixing system ensures a proper mix ratio every time - delivering a consistent cure rate and strength. The fast-cure formula means there is a limited time of uncured product on car and no damage from disturbing uncured seam sealer at a later time. Flexible epoxy technology means strong, durable construction and a long-lasting, high-quality seam seal. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.