Ultra Pro 2-Piece Clear Card Storage Box | Holds 50 Standard Cards | 2 boxes per pack | 5-Pack Total 2-Piece Ultra Clear Card Storage Box. Holds 50 Standard Cards. Two boxes per pack. Square Corners and Stackable. This listing is for 5-Packs for a total of 10 Boxes. Extra strong and snug fitting air-tight closures. Item Number 81173