Stray Kids SKZ Hollow Comeback FC Version I.N (I.E.N.) FC Version CD 1 (with check-in miles) Enclosed photo cards 2 types + enclosed IDs 2 types Check-in miles are also included. After opening, it was immediately put into a sleeve. The CD will be wrapped in bubble wrap, and the photo cards and IDs will be placed in a hard case, and packaged together to prevent water damage. Unopened items are listed separately.