Cleaning Card for Mag Stripe Card Readers Lot/12 Extends performance and durability of your equipment Used regularly, they will save time & money in equipment repairs & downtime Cleans dirt, oil and residue from magnetic, optical and bar code reading equipment Works on Credit & Debit Card Swipe Terminals, ATM's, Hotel Door Locks, Vending Machines, Telephones, Gas Pump Credit Card Readers, and many more applications Double-sided cleaning card cleans any way you swipe