Flex Seal is a rubberized leak sealer that seeps into cracks and holes to seal out air and moisture. When dry, Flex Seal, as seen on TV, is a long-lasting, watertight, paintable, flexible rubber coating that wont sag, drip, crack or peel. It seals out water and lasts for years. One can treats 2 ¨C 12 square feet. Once dry Flex Seal can be painted any color. Flex Seal the easy way to coat, seal and protect. No need for prepping, works wet or dry. Volume: 600ml CTN QTY:50pcs CTN SIZE:56*44*25cm N.W./G.W.:20/21kgs.