13.56Mhz RFID NTAG216 Fabric Woven wristband for events, for this chip memory size is about 888bytes, you also can custom different chip with different memory size, and also custom logo and qr code, bar code are available just depend on your application. The most usually use for festival, social interaction and other events, For more production detail and personalization, welcome to contact us and we will offer you the best suggestion.