MSR Waffle Head Cleaning Cards Box of 40

Is your credit card reader or magnetic stripe reader not working like it used to. Keep your magnetic stripe reader working like it did when it was new. Each box of MSR head cleaning cards contains 40 individually wrapped pre-saturated head cleaning cards with patent pending waffletechnology^TM. To use, simply remove from its protective pouch, insert into credit card reader like a credit card and it will leave it clean from harmful debris without disassembly. Approved for cleaning credit card readers, ATMs/POS terminals, petroleum card readers, credit vending machines, time/badge readers, telephone card readers, hotel magnetic door locks, and even slot machines. Recommended Usage: Once per week for internal, low usage card readers. Once per day for external or high usage card readers.