... available 3.OEM & ODM offered TTX014S metal ball pen & roller pen1.Description1) smooth writing,no leakage,Non-toxic2) Super smooth ... ,we guarantee to return or replace3) Eco-Friendly,(ball pen and roller pen)4) Material —— parker/cross refill ,PU leather (black , ... twins pen looks simple and generous apperance, ideal for business gift, office pen,student pen ,gift pen ,roller pen, logo pen, metal ...