Art Spectrum Pastels are the most respected and widely sold brand in Australia. The Australians use the maximum concentration of pigment for their best color quality. Art Spectrum grinds every pigment on a three roll mill to ensure a perfect mix and even softness. Art Spectrum, pastels are made fron non-toxic pigments which do not contain heavy metals (cadmiums), asbestos or toxic substances. We stock all 129 colors in regular and large studio size sticks. We offer the complete selection in open stock or sets. Actual sizes: regular stick measures 1/2 inch diameter and 2-7/8 inches long. The large stick measures 1 inch diameter and 2-3/4 inch long.