✨ Swipe Right to Clean Right! ✨ 50 cleaning cards for long-lasting performance. Fits perfectly in your pocket or workspace. Removes dirt, magnetic oxides, and lotions effectively. Keep your card readers pristine without disassembly. Works seamlessly with MSR90, MSR605X, and more. Standard credit card size Residue-free cleaning 50 cards per pack The DEFTUN CR80 Dual Side POS Swipe Card Reader Cleaning Cards are designed for effortless maintenance of your card readers and printers. Each pack contains 50 cards that effectively remove dirt, magnetic oxides, and lotions, ensuring optimal performance without the need for disassembly. With a standard credit card size, these cleaning cards are compatible with various models, making them a must-have for any professional setting.