UNION ARENA (Union Arena) This is the Demon Slayer: Kimetsu no Yaiba Booster Pack BOX (UA05BT). - Unopened BOX - 1 BOX = 20 packs - With tape (no re-shrink) - Stored in a dark place Please check the photos for the condition of the outer box and shrink wrap. Please refrain from purchasing if you are concerned about initial scratches or minor scuffs. Returns and exchanges are not accepted after purchase to prevent tampering. Instant purchase OK.