morandi boxed pen six-pack black gel pen set a box of 6 student exam stationery carbon pen 莫兰迪色盒装笔六只装黑色中性笔套装一盒6支学生考试文具碳素笔

1# pink series 2# green series 3# purple series 4# blue series 5# brown series 6# black series

0.5mm