Adhesive repair agent for neoprene, rubber, vinyl, tent fabric, etc. For example, it is surprisingly strong and can be used to repair tears and holes in waders, rainwear, rubber boats, boots, etc., as well as felt adhesive for shoe soles. Even after the adhesive dries, it remains moderately flexible, so you won't notice it even when you touch it directly, such as with waders. It also has excellent water resistance and heat resistance. It will harden in about 8 hours. SMITH AQUASEAL + FD Smith Aqua Seal + FD (strong urethane adhesive) ●Amount of freshness: 21g ●Type: Solvent adhesive ●Ingredients: 80% urethane resin, 20% organic solvent ●Applications: Neoprene, rubber, vinyl, cloth, leather