This set includes 12 extra large, round, chunky sticks. Ten of the sticks are oil free, colored charcoal sticks, one stick is black charcoal, and one stick is solid graphite. The sticks measure approximately 3/4 inch by 3-1/8 inch. Ideal for large scale drawings. The colored charcoals are water soluble, and can be used with water to create beautiful washes. Perfectly suited for just about any drawing paper, watercolor paper, and pastel grounds. Made in Austria.