Woodless colored pencils have no wood casings around the writing core to sharpen and brush away. Versatile pentagon shape allows you to create fine lines and broad strokes. Use the edges or full-length sides of the hexagonal sticks made of graphite. Rich, smooth colors of Color Sticks are great for texture rubbings, broad strokes, shadows and highlights on colored paper. Pencils are certified AP nontoxic.Woodless colored pencils have no wood casings around the writing core to sharpen and brush away. Versatile pentagon shape allows you to create fine lines and broad strokes. Use the edges or full-length sides of the hexagonal sticks made of graphite. Rich, smooth colors of Color Sticks are great for texture rubbings, broad strokes, shadows and highlights on colored paper. Pencils are certified AP nontoxic.