chenguang gel pen 0.5 black gel pen business office signature pen exam ball pen blue red ballpoint pen

18 pieces [get 20 cores for free]](18支【送20支芯】) 18 pieces(18支) 27 pieces [get 40 cores for free]](27支【送40支芯】) 27 pieces(27支) 9 pieces [get 20 cores for free]](9支【送20支芯】) 9 pieces(9支) 36 pieces [get 40 cores for free]](36支【送40支芯】) 36 pieces(36支) 45 pieces [send 60 cores]](45支【送60支芯】) 45 pieces(45支) 72 pieces [get 100 cores for free]](72支【送100支芯】) 3 pieces mini set(3支体验装)

[daily writing] black(【日常书写】黑) [can contact customer service note color] four colors mixed(【可联系客服备注颜色】四色混装) [key mark] red(【重点标记】红) [contrast writing] blue(【对比书写】蓝) [medical first choice] ink blue(【医护首选】墨蓝)