We do not offer discounts on single items. If you purchase with other items, we will discount each additional item by 500 yen. If you would like to take advantage of this, please comment or use the "bundle purchase" option. New, Unused Set of 2 MT Metatron Essential Serum Volume: 30ml Premium Coffret Premium Coffret Set Christmas Coffret This serum was included in the coffret. It is the same as the regular serum, but please note that the silver seal between the cap and the bottle was not present from the beginning.