Seal a crack with the Flex Seal Liquid Rubber Sealant Black 32fl.oz. This liquid sealant dries quickly and forms a watertight, flexible rubberised coating that stops leakage. You can easily brush, roll, dip, or pour it onto your indoor and outdoor surfaces. This non-toxic liquid is designed to resist moisture, stains, mildew, UV rays, and skidding.-Black-Size (10.6x10.6x12.2)