What size sleeves fit Digimon cards? What size sleeves fit Digimon cards? Measurements and Sleeving DIGIMON CARD META Digimon Card Game: Official Standard Size Sleeves Version 3 (2022) Shoutmon :: Unicorn Cards YuGiOh!, Pokemon, Digimon and MTG TCG Cards for Players and Collectors. Why are you still putting Japanese size cards in standard sleeves? For One Piece, Digimon, and Union Arena, that extra 4mm of vertical wiggle room isn't just an eyesore: it's a liability. "Sleeve