These Fotodek Slot Punched Blank White Plastic Cards are high quality and are specifically made to produce optimum print results with photo ID cards printers and include a specifically brilliant white card material. This gives the best clarity with print results and makes barcodes easy to read, making access faster and easier. These cards are used by thousands of organisations and individuals every day for their ID requirements. These plastic cards are conveniently provided with a 14mm x 3mm slot in a landscape orientation. It is compatible to use with ID card clips, lanyards, and badge reels. These are standard credit card size cards and 30mil in thickness (760 Micron) For most photo ID card printers like DataCard, Zebra, Fargo, Evolis, Magicard, Nisca, NBS & etc Not for use with retranser printers, Epsom printers or Sawgrass printers. NOT FOR USE WITH INKJET PRINTERS