Blank White NFC PVC ISO Cards - Mifare Ultralight - 25 Pack

These graphics quality NFC cards are read/writable so you can change the data as many times as you want. The data can be locked so the card is read-only. Once the NFC card is locked, it cannot be unlocked. The Mifare Ultralight chip DOES NOT come NDEF formatted by the manufacturer. The chip inside the card is a very fast modern chip with good reading range.These cards are compatible with Zebra card printers. WARNING: These NFC tags cannot be used on metal, aluminum or electronic surfaces. An on-metal NFC tag should be used instead.