These are not sold on the solo red retail cards. These are assembled in-house to allow smaller quantities than 250 to be purchased. X34 is a high relief capsule to fit thicker coins. Example is 1 oz silver palladium coin, 34mm diameter and 2.5mm thickness Air Tite#: X34. Size: 34mm. Color: black ring. Sold Individually. Case Qty: 1 .