... , ink for 24 months cap-off drying3) Eco-Friendly ,various in assorted color4) Material ——metal, copper or steel; metal refill6) ... ,school pen,plastic pen,used for promotional gift,business gift,hotel gift,office gift,school gift,souvenir gift, festival gift ect.8) Certificate: SGS,EN-71 ... Discuss the details.Confirm the price.Step 4:Send samples . ( In case, if you want sample to confirm the quality.) ...