Model Number:NTAG215 NFC card CoinOrigin:Mainland China Certification:CE Feature: 1.The NTAG215 NFC cards with adhesive backing, diameter 25mm/1 inch. 2.High-quality Material: NFC cards are made of waterproof PVC with a smooth, writable surface. Water-proof, Acid-proof, Alkali-proof. 3.Compatibility: Whether you're using them with TagMo Amiibo or your NFC-enabled phone, these cards are guaranteed to work seamlessly. The cards are also rewritable, which means you can use them over and over again to store different data and information (Amiibo can only be edited once and cannot be reused). 4.The NFC blank tag uses the NTAG215 chip with 504 bytes of memory and can be read and written over 100,000 times. 5.Further Applications: You can use NFC stickers to create Amibo Cards. You can get any weapon, pet, mount or fashion item you want. Quickly share your social messages, music, connect to WiFi, create a smart home and more! Parameters Chip: Ntag215 Coin Diameter: 25mm/1.02 inch(approx.) Frequency: 13.56MHz Protocol: ISO/IEC 14443 A Memory: 540 bytes User Memory: 504 bytes Material: PET, Paper (3M adhesive on the back.) Operating Temperature: -40'C to +85'C Package Included: 20pcs/50pcs Ntag215 coins cards Optional 1PCs ransparent storage box