JOYKO Bolpen Joyko GP-285 Trigo Gel 0.5 Gel Pen (1 Pak Isi 12 Pcs) / Pena Gel Joyko GP 285 / Joyko GP285 / Gel Pen Joyko / Pulpen Joyko / Pena Joyko / Pulpen Gel Joyko