Premium Compatible DK-1203 DK1203) Die-cut File Folder Labels (0.66" x 3.4" / 17mm x 87.1mm) (300 pcs) fully compatible with the Brother QL-1050, QL-1060N, QL-500, QL-700, QL-710W, QL-720NW, QL-800, QL-810W, QL-820NWB, QL-1050N, QL-550, QL-570, QL-580N, QL-650TD. The use of compatible supplies does not void your printer warranty.