a package: double ball beads st head quick-drying-born for writing(A套餐：双球珠ST头速干-为书写而生) b package: double ball beads st head quick-drying-born for writing(B套餐：双球珠ST头速干-为书写而生)

6 pens +20 refill for free [the most cost-effective]](6支笔＋送20支笔芯【性价比最高】) 6 pens(6支笔) 8 pens +20 refill for free(8支笔＋送20支笔芯) 12 pens +20 refill for free(12支笔＋送20支笔芯) 3 pens +5 deli quick-drying refill(3支笔＋5支得力速干笔芯) 5 pens +20 refill for free(5支笔＋送20支笔芯) 4 pens +5 deli quick-drying refill(4支笔＋5支得力速干笔芯) 4 pens +20 refill for free(4支笔＋送20支笔芯) 6 pens +10 deli quick-drying refill(6支笔＋10支得力速干笔芯) 3 pens +20 refill for free(3支笔＋送20支笔芯) 4 pens +10 deli quick-drying refill(4支笔＋10支得力速干笔芯) 12 pens(12支笔) 8 pens(8支笔) 3 pens +10 deli quick-drying refill(3支笔＋10支得力速干笔芯) 5 pens(5支笔) 4 pens(4支笔) 3 pens(3支笔) 2 pens(2支笔) 1 pen [express delivery is more expensive]](1支笔【快递比较贵】) 1 pen +5 deli double ball beads quick-drying refill(1支笔＋5支得力双球珠速干笔芯) 1 pen +10 deli double ball beads quick-drying refill(1支笔＋10支得力双球珠速干笔芯) 1 pen +20 deli double ball beads quick-drying refill(1支笔＋20支得力双球珠速干笔芯) 2 pens +5 deli double ball beads quick-drying refill(2支笔＋5支得力双球珠速干笔芯) 2 pens +10 deli double ball beads quick-drying refill(2支笔＋10支得力双球珠速干笔芯) 2 pens +20 deli double ball beads quick-drying refill(2支笔＋20支得力双球珠速干笔芯) 3 pens +10 deli double ball beads quick-drying refill(3支笔＋10支得力双球珠速干笔芯) 3 pens +20 deli double ball beads quick-drying refill(3支笔＋20支得力双球珠速干笔芯) 5 pens +10 deli double ball beads quick-drying refill(5支笔＋10支得力双球珠速干笔芯) 5 pens +20 deli double ball beads quick-drying refill(5支笔＋20支得力双球珠速干笔芯) 1 pen +10 refill for free(1支笔＋送10支笔芯) 1 pen +20 refill for free(1支笔＋送20支笔芯) 1 pen +40 refill for free(1支笔＋送40支笔芯) 3 pens +10 refill for free(3支笔＋送10支笔芯) 3 pens +40 refill for free(3支笔＋送40支笔芯) 6 pens +10 refill for free(6支笔＋送10支笔芯) 6 pens +40 refill for free(6支笔＋送40支笔芯) 12 pens +10 refill for free(12支笔＋送10支笔芯) 12 pens +40 refill for free(12支笔＋送40支笔芯) 3 transparent rods + white penholder 3(透明杆3支＋白杆3支) 6 transparent rods +6 white rods(透明杆6支＋白杆6支) 1 transparent rod +1 white rod(透明杆1支＋白杆1支) 4 transparent rods + white penholder 4(透明杆4支＋白杆4支)