於原子筆機構做加壓設計,於每次按壓時將筆桿內部的空氣向筆芯壓擠,於溼紙上書寫、或是朝上的方向書寫也無問題。
滿1200元免運 on order
超商取貨付款、ATM匯款滿1000元免運 on order
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