The 500+ FLAT PACK STORAGE BOX is the ultimate storage solution for all trading card collectors! This lightweight, travel-friendly box holds up to 500 double-sleeved cards, 4 100+ DECK BOX card containers, 3 playmats, or 800 unsleeved cards. When not in use, it folds flat for easy storage and transport, then reassembles in seconds. Features an exclusive design and closes securely with a built-in elastic band. Perfect for organizing bulk, conventions, tournaments, and gaming events, this storage box has you covered.