The label printer cleaning card is compatible with for DYMO LabelWriter 400, 300, 330, and Dymo 4XL series label printers. It is also suitable for cleaning ID card printers and transfer printers. Effective Maintenance: Our label printer cleaning cards can safely and effectively clean the print heads for Dymo LabelWriter. Ensure optimal performance. These pre-saturated cleaning cards can safely remove ink, tape, dirt, and residue, Using printer cleaning cards can enhance print quality and extend the lifespan of the label writer. labels printer Cleaners:Compatible with Dymo LabelWriter models: 315 (68025), 330 Turbo (68010), 330 (68005), and 300 (68000). Also for Brother P-touch Label Printers: QL-500, QL-550, QL-570VM, QL-570, QL-580N, QL-650TD, QL-710W, QL-700,QL-720NW, QL-1050N, QL-1050,QL-1060N, and more. Product Specifications: printer cleaning 20 pieces, sized at 3.375 inches x 2.125 inches (CR80/credit card dimensions), dual-sided design. Each printer cleaning card is individually sealed for single-use and long-term storage, ensuring they remain saturated and effective without concerns about drying out. Enhanced Performance:Our cleaning cards effectively remove contaminants from print heads, card reader heads, and the paper path, enhancing output quality and prolonging machine lifespan for consistent and reliable performance. For optimal results, use once or twice a month. material: plastic Color: as shown Package Contents: 20 x Cleaning Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.