Inkjet Printing FM4442/4428 Contact IC Card can be printed on both sides for Inkjet printers , thickness 0.86mm & size is 85.5*54MM credit card size , it can compatible with tray used with Epson L800 printer or other Epson printers using similar tray, original epson ink or Ink VMS brand ink can be used to print ic cards. guarantee 1 year for the smart IC cards .