This skin tone pencils set offers large hexagon barrels and highly pigmented, 6.25 mm colored cores. The assortment of LYRA colored pencils includes the 12 most prominent skin tones of the people of the world. Extra-large break-resistant core is designed for shading large areas. Core lasts three times longer than standard-size pencils and requires less frequent sharpening. Pencils are certified AP nontoxic.