Royal & Langnickel Acrylic Paint is formulated with a high pigment content and has a smooth, thick consistency. The colors are beautifully vibrant and permanent when dry. These paints can be diluted with water or mixed with other acrylics and are suitable for a wide variety of surfaces, offering a world of possibilities. 18 x 21 ml. (0.71 US fl. oz.). Conforms to ASTM D-4236.