Clear Rigid Plastic Vertical 2-Sided Multi-Card Badge Holder - 100 Per Pack - 1840-3080 Clear hard plastic ID badge holder 100 per pack Vertical holders, holds one 30 mil card on one side and 3 30 mil cards on the back side Molded, rigid plastic with slot and chain holes for easy lanyard or chain attachment Maximum card size: 2.188" x 3.5"