... called prepaid card, scratch card, mainly used in telecommunication. 5 pin in 1 prepaid scratch card description: 1) Material: Environment-friendly paper2) Size: 3 ... Thickness: 250-350gsm paper.4) Printing: CMYK or Pantone 4/1, 4/2, 4/4 colors5) Variable data: Serial number, PIN ... latex with black overprinting.7) Other options: 5 small pins in a card.8) Application: telecom card, prepaid phone card9) ...