Mont Marte Acrylic Matt Medium is designed to be mixed with Mont Marte Acrylics to impart a uniform matt finish to your acrylic painting. Not designed to be used as a final varnish. Clean up with water. FEATURES increases the flow of paint slightly increases the drying time of acrylics allowing paint to be more easily blended ideal for creating thin glazes, washes and watercolour effects without reducing the adhesive qualities or colour strength. SUITABLE FOR USE WITH Mont Marte Fine Quality Acrylic Mont Marte Silver Series Acrylic Mont Marte Two Seasons Acrylic