Flex Seal Adhesive Remover. Super Fast. Super Strong. Flex Seal Adhesive Remover takes the frustration out of removing stubborn, stuck-on messes. Its powerful, fast-acting formula breaks down adhesives, so they lift and wipe away clean, restoring surfaces to a smooth, non-tacky finish. It's perfect for removing stickers, decals, labels, tape, tar, grease, and even some inks like permanent marker. Safe for use on glass, metal, plastic, painted finishes, and sealed wood, it delivers strong results without damaging the surface underneath.