BadgePass Premium CR80 Mil Graphic Quality PVC Cards are ideal for production of employee badges, student IDs, membership cards and more. These are compatible with most of the industry's leading card printers, allowing you to print your ID cards, access cards, event badges, gift cards and more on site and on demand. This box of 500 blank white cards includes 5 packs of 100 cards per pack. Each card measures 3.375” x 2.125” and 30 Mil, which is the same size and thickness as a standard credit card. While designed for badge production with ID card printers, these cards are not for use with inkjet printers.