High quality ZipNFC White PVC 30mm Round tag with the NXP NTAG 424 DNA chip. These have 3M glue applied to the back so very sticky for most surfaces.

NTAG 424 DNA (NT4H2421Gx) sets a new standard in secure NFC and IoT applications, introducing a new NTAG DNA chip generation with state-of-the-art features for security and privacy protection. It comes with AES-128 cryptographic operation and a new Secure Unique NFC (SUN) Message feature to generate tap-unique data authentication upon each read-out by an NFC enabled mobile device.

This enables most advanced product and content protection, plus secured exclusive user experiences served in real time. NTAG 424 DNA is fully compliant with the NFC Forum Type 4 Tag IC specification (Certification ID: 58562), with the contactless proximity protocol according to ISO/ IEC14443-4 and the ISO/IEC 7816-4 based file system and command frames, to ensure maximum interoperability within the NFC infrastructure.