1 Quart Clear Pro Flex RV Brushable Sealant stops leaks immediately and can be applied to damp, oily or dirty surfaces. It has outstanding flexibility, is mildew resistant, paintable, and resealable. Prevents rust on any metal surface. Adheres to steel, concrete, wood, aluminum, glass, vinyl, tile, fiberglass shingles, and other common substrates. It should not be used on traffic-bearing surfaces, polystyrene insulation sheathing or EPDM. Also, do not use in areas where food is processed or stored. This sealant does contain some solvents that may craze some plastic materials. Clear in color. 1 Quart can.