HB pencil for students only

About Product:12 PCS in a box, 204 boxes in a box. Can do PVC box PET barrel, multi-color HB pencil nib with small rubber design office supplies. This product is made of first-grade wood, with smooth writing, not easy to break lead, safe and non-toxic, free of benzene, heavy metals, toxic colorants and aromatic amines and other harmful substances.\nSelected high quality lead core and special plastic core process manufacturing, pen core will not slip out, not easy to break. Economy is durable receive broad consumer favour!\nMade of high quality wood, smooth rolling. The concentration is HB.\nScope of application: consumer group over three years old.