pectrum Noir Blendable Colored Pencils are made from professional, artist grade materials and are the perfect coloring medium for beginners to advanced colorists. Rich, vibrant pigments and expertly balanced shades provide superior blending. The velvety cores are protected by handsome matte black casings. Whether you're a beginner, a hobbyist or a professional artist, these premium pencils are ideal for all your creative work, from quick sketches to intricate details. Permanent and waterproof. Each set of pencils is packed so that there are 3 shades of a color for blending, and each set of colors has been produced with a particular use of coloring style in mind.