The stronger magnetic field makes our cards more durable. The data encoded on the stripes are less likely to be erased when exposed to an outside magnetic field. PVC material, special coating, allowing inkjet printing. These blank credit cards with chip can be used to hold confidential info for photo IDs, financial information for credit card use, or retail information for retailers who would like to sell gift cards for their company. These printable cards are equipped with high level security chips and stripes. The SLE4442 Chip is perfect for use for bank cards. These cards are best purchased in bulk, especially for professional use. Erase cycles more than 100,000 times. Specifications: 85.6 X 54 X 0.76mm/3.37'' X 2.13'' X 0.03'' PVC material, special coating, allowing inkjet printing Sle4442 chip with hico 3-track mag strip Strip: HICO magnetic strip Chip: 4442 Read distance around 2-10cm 256 × 8-bit EEPROM organization 32 × 1-bit organization of protection memory Erase cycles more than 100,000 times Data retention for minimum of ten years Temperature -20 to 80c Absorb normal dye ink or pigment ink Printed by inkjet printer such as Epson or Canon printers ISO7816 standard Package included: 10 Pcs Smart Cards