For cards measuring up to 63 x 88mm (2½” x 3½”). This size is typical for trading card games like Magic the Gathering or Pokémon, and are also found in many newer board games. The cardbox safely stores 50+ sleeved cards, and doubles as a card-holder during play. Just flip back the lid and lock it in place! Contains 50 clear card sleeves in 80µ polypropylene, with a soft non-reflective matte treatment. No acid. No PVC.