Ultimate Guard Db: Twin Deck Case Black Cards Holds up to 160 double-sleeved cards or 200+ single-sleeved cards, standard size Keeps the case securely locked without need of hook-and-loop fastener or snap fastening Reinforced material (0.7 m polypropylene) Great for indexing your card collection and separating decks from one another This product is completely free of PVC and acidic materials