This is a standard cleaning card for swipe readers, mechanical insertion readers or readers with motor but without shutter. Such as swipe atm, credit/debit card readers, pos terminals, ic card reader, pay phone, security access system, id access &time clock, hotel door locks, service station card readers, transit card reader, card printers etc. This pre-saturated, disposable cleaning card can safely and effectively remove all dirt, magnetic oxides and other contaminants from all types of concealed magnetic heads on many different types of reader mechanisms. As you know, cards bring some dirt, sweat and other pollution during it's using, at the same time, card readers also are polluted in air at long using, this cleaning card will help you solve all these problems. Cleansing layer includes rich cleanser, so it can clean better. What's more, cleanser will evaporate instantly after cleaning, and don't damage equipments. You can use it as you use a common card. Neutral packaging, customized packaging.10pcs in a plastic bag or 50pcs in a paper box.