1、Adopted of high quality pencil ink and special adhesive core, so the pencil ink will not slip out, not easy to break 2、The pencil stick is made of quality lime wood, not easy to break, durable in use 3、Creative pencil hole groove design, anti - slip and correct your posture of grip pen 4、Environmental protection, safe and non-toxic, free of benzene, heavy metals, toxic colorants, aromatic amine and other harmful substances 5、Color clear, strong adhesion; one professional pencil for art students, which is used for drawing sketching and painting, etc Descriptions: These pencils adopt of high quality pencil ink and special adhesive core, so the pen ink will not slip out, not easy to break. Creative pencil hole groove design, anti - slip and correct your posture of grip pen, safe and non-toxic, one professional pencil for art students, which is used for drawing sketching and painting, etc. Features: Adopted of high quality pencil ink and special adhesive core, so the pencil ink will not slip out, not easy to break. The pencil stick is made of quality lime wood, not easy to break, durable in use. Creative pencil hole groove design, anti - slip and correct your posture of grip pen. Environmental protection, safe and non-toxic, free of benzene, heavy metals, toxic colorants, aromatic amine and other harmful substances. Color clear, strong adhesion; one professional pencil for art students, which is used for drawing sketching and painting, etc. With a pencil box, convenient to storage and carry out. Specifications: Material: basswood, carbon Length: 18.5cm/7.28inch Pencil ink: black HB Weight:187g Applicable: above 3 years old Package Included: 36 x pencils