KRYLON-Conservation Retouch Varnish. This varnish temporarily restores colors for accurate color comparison. It allows oil paints to continue drying through the film. It can also be applied one painting is dry for exhibition or shipping. This is not a final picture varnish. Works best on fine art-oil and alkyd paints. This package contains one 11oz can of spray varnish. Conforms to ASTM D 4236. DANGER! Extremely Flammable-Vapors may cause flash fires! Contents under pressure. Vapor harmful. Made in USA.