This is an eye mask of Cooky, a character from BT21, a character goods line by BTS, based on Jung Kook (Guk). It is an authentic product purchased at the official store in Omotesando several years ago. It is unused, but was opened for confirmation at the time of purchase. It has never been used. As it has been stored by an amateur, please refrain from purchasing if you are sensitive. Immediate purchase OK BTS BT21 cooky Jungkook Cookie Jungkook Group Name: BTS Member Name: Jungkook