The card reader cleaning cards are designed to maintain the efficiency and longevity of your card readers and POS terminals. These versatile cleaning cards are compatible with various card reader machines and ID card printers, ensuring that your devices remain in optimal working condition. The cards effectively remove dust from the magnetic heads and chip readers, preventing read errors and prolonging the life of your equipment. Features -Color:White -Material:Spunlace fabric and PVC -Size:8.60X5.40X0.09cm/3.38X2.12X0.04in -Easy to use: simply insert the cleaning card into the card reader like a credit card, flip it over, and repeat until clean -Sealed packaging: individually sealed packaging prevents the cleaning card from drying out, making it ideal for regular maintenance -Fine material: the cleaning card is reliable, ensuring it won't easily break -Quick drying: the liquid on the card quickly cleans dust from your machine, and it dries fast, allowing immediate use of the reader -Standard size: the card is the standard thickness of a credit card, making it compatible with most card readers and card printers Package list: 30 reader cleaning cards