These sets feature modern and versatile acrylic colors that can be used in various ways. The colors are easy to mix and you can use them on many different grounds as long as they are free of dust and grease and are sufficiently absorbent. They work well on artists canvas and paper, as well as plaster, board, wood, stone and cement. The paint can be thinned with water, dries quickly and once dry, it has a silky sheen and is waterproof. The drying time is often less than an hour, depending on the thickness of the paint. The 24-color set includes one 12ml tube each of azo orange, azo yellow deep, azo yellow lemon, brilliant blue, burnt sienna, burnt umber, carmine, cobalt blue ultramarine, ivory black, naphthol red medium, permanent blue violet, permanent green deep, permanent green light, permanent red violet, phthalo blue, primary cyan, primary magenta, primary yellow, turquoise green, ultramarine, yellow ochre, yellowish green and two 12ml tubes of titanium white.