Additional product info: Pokemon Card Game Double Deck Case Nitamono Doshi Zorua & Hisui Zorua Appears! It's a case that can store and carry decks! There are 2 inner boxes, and the lid opens and closes with a magnet. Each inner box can hold more than 80 cards with Deck Sleeves (or more than 160 cards without sleeves), for a total of more than 160 cards (or more than 320 cards without sleeves).