Flex Seal Spray Rubber Sealant Coating, 14-Oz, Gray (2 Pack) The Colorful Way to Coat, Seal and Stop Leaks Fast! Seeps into cracks and holes, Seals out water, lasts for years Dries to a watertight, flexible rubberized coating Ideal for arts & crafts, projects & hobbies, and sealing outdoor decorate items Transform and protect virtually everything