100 pcs gel pen black refill 0.5 carbon pen student exam school supplies office water-based sign pen

bullet (black)(子弹头（黑色）) bullet (red)(子弹头（红色）) bullet (blue)(子弹头（蓝色）) syringe head (black)(针管头（黑色）) syringe head (red)(针管头（红色）) syringe head (blue)(针管头（蓝色）) bullet (three colors mixed)(子弹头（三色混装）) syringe head (three colors mixed)(针管头（三色混装）) self-selection color-contact customer service to note how many colors each(颜色自选-联系客服备注颜色各多少支)

10 pens(10支笔) 20 pens(20支笔) 30 pens(30支笔) 50 pens (special offer packing)(50支笔（特惠装）) 100 pens (affordable) hot sale(100支笔（实惠装）热卖) 3 pens +30 refills(3支笔＋30支笔芯) 10 pens +30 refills(10支笔＋30支笔芯) 20 pens +30 refills(20支笔＋30支笔芯) 30 pens +30 refills(30支笔＋30支笔芯) 50 refills (no pen holder)(50支笔芯（没有笔杆）) 100 refills (no pen holder)(100支笔芯（没有笔杆）) 10 pens +50 refills(10支笔＋50支笔芯) 15 pens +50 refills(15支笔＋50支笔芯) 20 pens +50 refills(20支笔＋50支笔芯) 30 pens +50 refills(30支笔＋50支笔芯) 50 pens +50 refills(50支笔＋50支笔芯) 3 pens +100 refills(3支笔＋100支笔芯) 6 pens +100 refills(6支笔＋100支笔芯) 12 pens +100 refills(12支笔＋100支笔芯) 30 pens +100 refills(30支笔＋100支笔芯) 50 pens +100 refills(50支笔＋100支笔芯) 100 pens +100 refills(100支笔＋100支笔芯) 2 pens +6 refills(2支笔＋6支笔芯)