Swipe Right for Cleanliness! ✨ 10-pack ensures you’re always prepared for a clean swipe. Effectively removes dirt, magnetic oxides, and lotions from sensitive sensors. Standard credit card dimensions for easy storage and handling. Keep your card readers pristine without the hassle of disassembly. Designed to work seamlessly with most card readers and printers. Standard Credit Card Size Dual-Sided Cleaning Residue Reduction The cleansky CR80 Cleaning Cards are dual-sided cleaning solutions designed for card readers and printers. Measuring 3.375" x 2.125" x 0.03", these cards effectively reduce residue build-up without the need for equipment disassembly, ensuring optimal performance and longevity of your devices.