These pencils, made of premium wood material, is safe and practical to use. It can be painted, wiped, and erasable, which is easy to use. Convenient to sharpen it with a regular sharpener. Great sketching tool for students, artist, adults, beginner, etc. Features - ColorChocolate - Material: Wood. - Size: 17.70X0.70X0.70 cm/ 6.96X0.28X0.28 inch. - Made from material lead for writing readable consistent strokes. - Can be used for a long time cause they are not easy to when drop down to the ground. - Easy to cut and roll, moderate and hard refills, smooth feel, clear lines, great coverage ability. - Detailed work or quick sketches, the pencils can create a smooth color lay down for blending and shading. - It is a great sketching and painting tool for beginner, artist, adults and students to practice. Package list: Pencils