Model Master Lusterless (Flat) is a Lacquer Overcoat used to seal and protect painted surfaces. It will alter glossy surfaces to give them the flat look and to protedt decals. It can be used over all Testor/Pactra/Model Master enamels and acrylics after they have dried at least 24 hours or more. Shake can vigorously before using and reshake often with even strokes, holding can 10"-12" from work. Spray in mist coats. Do not spray over high luster silver, gold, copper or chrome coatings.Avoid spraying when humidity is excessively high.*NOTE* Solvent based products cannot be shipped outside the Continental U.S.