【Three-Track Hi-Co Magnetic Stripe】- The magnetic stripe cards feature a half-inch Hi-Co (LO-CO) magnetic stripe, three encoding tracks, and are programmable, allowing them to be used with single, dual, or triple-track readers/writers. The magnetic stripe is blank and needs to be programmed. 【Great Printability Compatibility】- Our magnetic stripe cards offer excellent graphic print quality with all the most common card printers (not compatible with inkjet printers) - Evolis, Zebra, Badgy, Fargo, Magicard, and DataCard. 【Your Cards Arrive Securely & Tightly Packaged】- All magnetic credit cards arrive shrink-wrapped in plastic - no loose cards rattling around in the shipment - we understand that only clean, undamaged cards will work with your expensive printer and protect it for years. 【High-Quality ID Card Printing Consumables】- Print your logo or photo - use with or without a clear overlay - great cards for printing and encoding for POS or access control. 【30 Mil Thickness】- The cards have an extremely low failure rate and work great with all machines - a popular choice for schools, universities, student ID cards, gift cards, loyalty cards, gym membership cards, access control cards, and more.