The BCW 3 X 4 toploading thick card holders are designed to hold cards that are thicker than standard trading cards. The PVC used in BCW Toploads contains no plasticizers or stearates. Our high impact grade PVC does not migrate and will not harm your cards, photos or prints, while offering maximum protection and visual appeal. Use this holder to protect, store and display your jersey or memorabilia cards, photos and prints.