straight liquid signature pen [syringe heads]](直液式签字笔【针管头】)

30 black pens get 1 red pen for free [only sold for one day(30支黑笔送1支红笔【只卖一天) 40 black pens get 5 red pens +5 blue pens for free(40支黑笔送5支红笔＋5支蓝笔) black 24 pieces get 1 red one free(黑色24支送1支红色) 5 black +3 red +2 blue(5黑＋3红＋2蓝) 50 black +50 red(50黑＋50红) 40 black +10 red(40黑＋10红) black 10 pieces(黑色10支) red 10 pieces(红色10支) 1 blue pen(1支蓝笔) blue 10 pieces(蓝色10支) black 20 pcs(黑色20支) red 20 pieces(红色20支) 20 black +2 red +2 blue(黑色20支＋红色2支＋蓝色2支) 5 black(5支黑色) black 12 pcs get 1 red for free(黑色12支送1支红色) 20 pieces in black and 1 piece in red for free(黑色20支送1支红色) black 20 + red 4(黑色20支＋红色4支) 24 black +2 blue +2 red(24支黑色＋2支蓝色＋2支红色) 8 black pens(8支黑笔) 18 black +1 red +1 blue [barrel]](18支黑＋1支红＋1支蓝【桶装】) 100 black pens [smooth and continuous ink]](100支黑笔【流畅不断墨】) 100 red pens [smooth and continuous ink]](100支红笔【流畅不断墨】) 50 black pens [smooth and continuous ink]](50支黑笔【流畅不断墨】) 50 red pens [smooth and continuous ink]](50支红笔【流畅不断墨】) 50 blue pens [smooth and continuous ink]](50支蓝笔【流畅不断墨】) 30 black pens [smooth and continuous ink]](30支黑笔【流畅不断墨】) 30 red pens [smooth and continuous ink]](30支红笔【流畅不断墨】) 30 blue pens [smooth and continuous ink]](30支蓝笔【流畅不断墨】) 50 black and 2 red for free [only 18 orders for free]](50支黑色送2支红色【仅送18单】) 30 black pens +10 red pens +10 blue pens(30支黑笔＋10支红笔＋10支蓝笔) 50 black pens +10 red pens(50黑笔＋10支红笔) 80 black pens +10 red pens +10 blue pens(80支黑笔＋10支红笔＋10支蓝笔) 90 black pens +10 red pens(90支黑笔＋10支红笔) 20 black pens +5 red pens +5 blue pens(20支黑笔＋5支红笔＋5支蓝笔) blue one(蓝色一支)