Data cards come in pre-cut sizes and full sheets, and are available in 15 colors, Use data cards and insert headings with Magna Visual"s magnetic cardholders to easily update and change information, Simply hand-write, type or print information on the data cards, Slide the information or heading into the cardholder, Managing information has never been easier, 1000 per package, Dimensions: 3/4"" H x 1"" L, SKU: MAGNAV066