black refill 0.5 0.38 gel pen black syringe head pen carbon pen water-based paint pen junior high school student office supplies

black bullet(黑色子弹头) red bullet(红色子弹头) blue bullet(蓝色子弹头) black syringe head(黑色针管头) red syringe head(红色针管头) blue syringe head(蓝色针管头)

12 pens +50 refills(12支笔＋50支笔芯) offer 100 pens(特惠100支笔) 25 black pens +5 blue pens(25支黑笔＋5支蓝笔) 25 black pens +5 red pens(25支黑笔＋5支红笔) 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) 5 pens +20 refills(5支笔＋20支笔芯) 10 pens(10支笔) 20 pens(20支笔) 30 pens(30支笔) 30 pens (15 syringe +15 bullets)(30支笔（15针管＋15子弹）) 50 pens(50支笔) 1 pen +5 refills(1支笔＋5支笔芯) 1 pen +30 refills(1支笔＋30支笔芯) 5 pens +50 refills(5支笔＋50支笔芯) 50 refills(50支笔芯) 100 refills(100支笔芯) 100 refills +1 pen(100支笔芯＋1支笔) 30 black pens +90 black pen refill +10 red refill(30支黑笔＋90黑笔芯＋10红笔芯)