Includes: The package includes 100 pieces blank NTAG215 amiibo nfc cards Diameter 25 mm/0.98 Inch, packaged with one piece coin container. The NFC tag is not adhensive. Chip Feature: The NFC chip is NXP Original NTAG 215 chip, with 504-byte usable Memory. with 504-byte usable Memory. Operating Frequency - 13.56 MHZ. It has a read-write lock function that makes the cards can be edited repeatedly or read-only. Cannot be edited or reset after set as read-only tag. Game character only can edit once. Data can be stored in more than 10 years. Wide Application: The blank NFC tags are compatible with TagMo Nintendo Switch and NFC-enabled phones and devices; daily using for sharing contact info, business card, URL, text, security, authentication purposes, etc. Each NFC card is read/write ready and easy to program. Material: Made of waterproof sturdy PVC material, no adhesive, no hole. Can be placed outdoors or near water without the risk of losing functionality. Easy to Operate: The process is simple, you just need to hover your phones over NTAG 215 coin tag, data will imput to your phones, there is no needs for energy, battery or manual pairing, convenient to use.