Tagstand NFC Tag Engineering Kit - 1 DESFire EV1 8K Card + 15 NFC Stickers - Ultralight, Ultralight C, NTAG203 On-Metal, NTG216, Topaz 512 The NFC Tag Engineering Kit includes: 3 NTAG216 Stickers, 3 Ultralight Stickers with 64 bytes of total memory, 3 NTAG203 On-Metal Stickers with 168 bytes of total memory, 3 Ultralight C Stickers with DES encryption, 3 Topaz 512 Stickers with 512 bytes of total memory, and 1 DESFire EV1 8K Card with 8000 bytes of total memory