The Dala Gold Leaf Size is a specialized, water-based adhesive medium specifically formulated for applying gold, silver, and copper composition metal leaves to porous and non-porous surfaces. It applies smoothly as a milky liquid and dries quickly to a completely clear, aggressive, permanent tack that ensures clean metal leaf adhesion. The non-toxic formula works beautifully on wood, glass, plaster, and canvas, providing the essential foundation for intricate gilding and restoration projects.