These are cards included with RIZIN potato sticks. This is a set of four cards from RIZIN48, RIZIN18, RIZIN35, and RIZIN33. The RIZIN48 card features the Satoshi × Gustavo and Naoki Inoue × Soo Chul Kim double title matches. The back of the RIZIN33 card is designed for the final round of the bantamweight tournament.