It's a protective sleeve that you can put each card in to protect them from scratches! It's a 64-card set with four spare deck shields, so you can fit one standard deck of 60 cards!Pokemon Walking Wake Sleeves$15.00PriceQuantity*Out of StockNotify When AvailableMore DetailsMeasurements & Weight: 3.6"×2.6"×0.01": Approx. 0.04oz/sleeve Return PolicyAll items are final sale.