Exterior/interior use, great for galvanized steel, wrought iron, railings, furniture, laminate, PVC, porcelain, masonry, glazed brick and more. Low odor, low VOC water-based formula has excellent wet adhesion in moist or humid environments. Dries to the touch in a quick 30 minutes and covers up to 16 sq. ft. Prevents rust and corrosion for enhanced durability. Creates a strong bond to prepare surface for any topcoat. White. Size 12 ozs.