Material: PVC, Waterproof Readable and Writable Size: 85mm x 54mm x 0.9mm IC tag is suitable for Mifare 13.56MHz ISO14443A S50 card reader and reading distance is 0 - 10cm (Reading distance depends on readers, not the cards) User definable access conditions & password for each memory block 1K byte EEPROM memory (768 FREE BYTES availability) Organized in 16 sector with 4 blocks of 16 bytes each (one block consists of 16 byte) Write endurance 100,000 cycle ISO standards :ISO 14443 / 14443A