Price: (as of – Details) 888 bytes user programmable read/write memory. Highest in NXP NTAG21x family of RFID/NFC chips!8 mm x 18 mm tag inlay size. One of the smallest RFID/NFC tag!Superb scan strength for such a small tag size.Ideal for applications needing higher memory & having space constraints.Transparent PET inlay for easy identification of