Stained glass watercolours are translucent and may be applied with a paintbrush to any surface such as glass, acetate, plexiglass, aluminium, etc. Colours are mixable with each other. Relief paint is used to outline the pattern so as to form an enclosed area (cloisonné technique) as in stained glass techniques. Translucent, water-based paints. Non-toxic. Clean brushes with water. Set of 10 45 mL bottles.