Contents: SK-II ・Whitening Source Derm Revival Mask…5 sheets ・Facial Treatment Mask…5 sheets ※ Although labeled as samples, these were sold as part of a set with lotion and cream. Bonus: ・LuLuLun Pure 7 sheets ・POLA White Shot Mask 1 sheet The purchase dates vary and I don't remember exactly, but it was within the last 3 years.