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 contain no plasticizers or stearates. Our high-grade PVC does not migrate and will not harm your cards, photos or prints, while offering maximum protection and visual appeal. - Holds a jersey or memorabilia card up to 5mm thick - Crystal clear Dimensions - Exterior 3 x 4 x 1/4 - Interior 2 3/4 x 3 7/8 x 3/16