Panter Company MAG-LH-BK Magnetic label holders, 4-1/4 x 2-1/2, black, 10/pack Colored Magnetic Label Holders for File Cabinets, Bookcases. Colored vinyl with clear label pocket. Magnetic back allows repositioning or removal. Colored vinyl with clear label pocket. Magnetic back allows repositioning or removal. Includes blank inserts. 4-1/4 x 2-1/2.