Material: pvc (laminated) Frequency: 13.56mhz Size: cr80 credit card size Magstripe: loco 300oe, hico 2750oe, 4000oe craft: full color printing Specifications mifare 1k s50 blank magnetic card 1.13.56mhz 2.Full color printing 3.Loco 300oe, hico 2750oe, 4000oe 4.Cr80 credit card size Size: cr80 credit card size