1. Drawing charcoal used by artists: The charcoal sticks are for amateur artists, introductory students, or professional artists to create dark, velvety lines. Ideal for school, home, or office use. 2. Nontoxic and: The compressed graphite rods are made of quality graphite material with a smooth surface, nontoxic, relatively shatterproof. Achieve sharpness by rubbing against the paper, ensuring welltinted work with clear, vibrant textures. Suitable for large paper areas, quick gesture sketching, and oil painting layouts. 3. Practical to use: The white charcoal pencils fit comfortably in hand, allowing complete freedom of expression. The graphite and carbon core glides smoothly over paper. Sharpen the pencils by rubbing them against the paper for welltoned, vivid textures, enhancing the elegance of your work. 4. Three hardness options: This set includes charcoal pencils in soft, medium, and hard grades, catering to different needs for line thickness, brightness, and darkness, making your images more intricate and dynamic.