This Plastic School Student Identity Cards are a common type of student ID card, which have the same size as a credit card, 85.60 mm x 53.98 mm (3.370 inches x 2.125 inches). They have a thickness of 0.030 inches, or 30mil. These cards can be used to print the student's personal information, photo, school logo, etc., and can also support embedded smart chips, barcodes, QR codes, etc. These cards can be made with special printers, with high quality and low price.