Pentel Art Oil Pastel Pentels oil pastel paperboard or canvas with ornate, long-lasting, fade-resistant colors. Apply these pastels smoothly, and blend easily with subtle hues and color mixtures. Liquid application can be diluted with turpentine oil or mineral spirits or brushes up and then finished projects with a wet brush in color shadows. Colors 1 2 3 4 5 6 7 8 9 10 11 13 14 15 17 18 19 20 21 22 23 24 25 26 28 29 33 35 36 38 40 48 5 92 contents Fits astm d4236 Imported