[ Specification ]: 0.66" x 2.1" (17mm x 54mm) - 1 Roll & 400 Labels (400 Labels/Roll) - Black on Yellow for Brother DK-1204 Die-Cut Multi-Purpose Address Labels [ Increased Visibility ]: Using black on Yellow colored labels can make the text or image stand out and be more visible, which can be helpful for labeling products, packages, or items that need to be quickly identified or located. [ Compatible ]: Compatible with Brother QL label printer range: QL-500 QL-550 QL-570 QL-580N QL-650TD QL-700 QL-710W QL-720NW QL-800 QL-810N QL-820NWB QL-1050 QL-1060N QL-1100 QL-1110NWB [ Pre-installed Refillable Cartridges ]: Provides a professional and user-friendly solution. Reduces risk of misprints, wrinkling and misalignment. Easily load and upload every roll with few effort. [ Multi-purpose Labels ]: 0.66 x 2.1 inch (17mm x 54mm) multi-purpose labels replace for for Brother DK-1204 are versatile labels. Return address labels and barcode labels are also applicable. Widely used on packages, envelopes, mails, letters, parcels, signs and temporary name tags. [ Adhesive ]: Still reliable on extreme temperature (14℉~369℉). The patented adhesive provides long-lasting powerful stickness. No more shipping lost caused by labels peel-off.