Egoshop 72-color Marco Renior Oil Based Colored Pencils Set for Artist Sketching Drawing Writing Art Painting/ Adult Coloring Books Metal Tin Case Thick & soft 3.7mm leads, makes coloring and drawing delightfully vivid & smooth, easy to color Brilliant colors, easy to sharpen . Artist grade colored pencils come in a wide range of colors. Excellent colored pencils for any level High print effect, smooth when using them, which is a wonderful pencil set for Adults Coloring Book, Enchanted Forest, and Lost Ocean Coloring Book etc Environmental friendly material which is harmless to your health, completely safe for use by anyone, including children and pregnant women Come in a compact, portable metal tin box