Pro Art Oil Pastels are best suited to large scale work using vigorous, textural strokes and building up a rich patina of waxy color. Optical color mixtures can be created with techniques such as hatching, crosshatching, or gentle shading with superimposed colors. Oil pastels encourage a bold and direct approach that is of enormous benefit in developing confidence in drawing and using color. Regular size pastels each measure approximately 2 1/4 x 3/8 inch. 24 pc. Vivid Color - red, red orange, golden ochre, flesh, white, lemon yellow, blue, sky blue, light gray, green, Sienna brown, black, pink, yellow green, deep blue, coffee, gray, blue green, ultramarine, purple, vermilion, deep flesh, light rose, and lime green.