Specifications:
Material: PVC
Color: white
Size: approx. 85 x 54 mm/ 3.3 x 2.1 inch
Chip type: NXP NTAG215
Memory: 504 Bytes of memory
Service life: ＞ 100,000 times
Data storage time: ＞ 10 years
Sensing distance: 0 - 10 cm
Read and Write by NFC (No adhesive, Not designed for use on metal surfaces)

With apps like TagMo, you can use these NTAG215 NFC cards to make an card for Animal Crossing to invite the animal crossing new horizons villager characters that you wanted as villagers on your island. Used as a game character card only can edit once.
By reading and writing the program, it can realize the query of product information, check-in, navigation, travel, payment, etc.
If you have no idea about how to use NFC tags, please search and watch videos on Tik Toks or YouTube before buying.
Notes:
Some cellphone doesn't support third party NFC tools app, it is not NFC cards problem, please understand it clearly before purchasing.
Please find your smartphone's NFC sensor position. NFC sensor won't identify NFC tag if you put NFC tag on wrong position. This is not NFC tags quality problem.