The label printer cleaning card is compatible with 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 to 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 printer. Compatible with Dymo LabelWriter models: 315 (68025), 330 Turbo (68010), 330 (68005), and 300 (68000). Also compatible with 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: 10 pieces per pack, sized at 3.375 inches x 2.125 inches (CR80/credit card dimensions), dual-sided design. Each cleaning card is individually sealed for single-use and long-term storage, ensuring they remain saturated and effective without 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: 10 x Cleaning Card. Only the items listed are included; other products are not included. Note: Light reflection and different displays may cause slight color variations between the item and the image. Measurement allowance is +/- 1-3 cm due to manual measurement.