The Pentel Arts Oil Pastels provide more Vibrant color than chalk pastels - Oil Pastels make your artwork come to life. Rich, fade-resistant color applies smoothly and blends easily to produce subtle shades and tints. Best for use on board, paper and canvas. Acid-free pastels are resistant to the effects of humidity for longer lasting drawings. Includes a carrying case. Certified AP non-toxic. Brilliant colors apply smoothly and blend easily for shading and color mixing More vibrant than chalk pastels, oil pastels make your artwork come to life Acidfree pastels are resistant to the effects of humidity for longer lasting drawings Best for paper, canvas and artboard