The card reader cleaning cards are made from fine materials that ensure effective cleaning without causing any damage to your devices. The cards are designed to be compatible with a wide range of card readers and POS terminals, making them a versatile and convenient solution for keeping your equipment in top condition. Regular use of these cleaning cards helps to prevent malfunctions and extend the lifespan of your card readers and printers. Features -Color:White -Material:Spunlace fabric and PVC -Size:8.60X5.40X0.09cm/3.38X2.12X0.04in -Simple operation: just insert the cleaning card into the reader, , and repeat for thorough cleaning - : regular use of the cleaning card can help prolong the lifespan of your card reader -Universal fit: designed to match the standard thickness of a credit card, ensuring compatibility with various devices -Quick and effective: the cleaning liquid on the card works fast to remove debris, and the card dries quickly for immediate use -Fine construction: the cleaning card is built to last and resist wear and tear Package list: 50 reader cleaning cards