The Brother dk-1204 is engineered to fit perfectly into (12) Brother label printers and makes printing multipurpose labels simple and stress-free. Our replacement labels are made from Dura-Coated paper to ensure a professional-appearing label that is perfect for Return envelopes, small packages, and more. The dk-1204 die-cut replacement label measures 0.66" x 2.1" (17 mm x 54.3 mm) and includes 400 individual labels per roll. These labels can be printed directly from Microsoft word, excel, and access with the simple click of a mouse. Compatible with Brother QL-1050, ql-1050n, QL-1060N, QL-500, QL-550, QL-570, ql-570vm, ql-580n, QL-650TD, ql-700, ql-710w, and ql-720nw label printers.