Premium acrylic caulk formulation has silicone for increased flexibility and extended life. Formulated and warranted to last 40 years or more when applied according to directions. Great for work indoors as it is low odor. Paintable, non-staining and mildew resistant. Cleans up easily with water. Meets ASTM C834-76 specifications. Clear 40 yr. 10.2oz 24 tubes per case.