The cards are a standard credit card size and thickness. We now sell the cards in packs of 100. These cards are designed to be used in Plastic ID card printers. They work perfectly in HID/Fargo, Zebra/Eltron, Datacard, Evolis badge printers and more. Looking for a magnetic (mag) stripe in this color? Call 800-903-8515 for Magnetic stripe for pricing and availability!