Liquitex Gloss Varnish 4 fl. oz. Low viscosity, fluid. Translucent when wet, clear when dry. 100% acrylic polymer varnish. Water soluble when wet. Good chemical and water resistance. Dry to a non-tacky, hard, flexible surface that is resistant to dirt retention. Resists discoloring due to humidity, heat and ultraviolet light. Depending upon substrate, allows moisture to pass through. Not for use over oil paint. Protects acrylic color from harsh elements. Hard, archival, non-yellowing and water resistant when dry. For interior and exterior use. 4 oz.