Features: 1. This professional art pencils set is offering a wide variety of colors, make it an essential kit for any professional artist. 2. Soft lead cores give you a smooth and uninterrupted color feeling. 3. Made of high quality material, which is safe, nontoxic and eco-friendly; you can rest assured to use. 4. Comes with a portable carrying box to keep all art supplies safe and well organized. 5. The pen has the color number of the printed lead, which can be used to find the desired color more conveniently and quickly in professional painting. 6. The precautions and features of the pencil are marked on the box, and the drawing steps of a picture are provided.