NFC Tags by TagsForDroid - 12 Pack - NTAG203 - Hide&Spot Theme v1 - (10 NFC Tags + 2 NFC Keychains + FREE stickers+more) - Compatible with All NFC Capable Phones, Tablets and Computers. For full list of contents, look further down on this page in Product Description section. 10 NTAG203 NFC Tags + 2 FREE NFC keychain + 24 vinyl stickers (to paste on your NFC tags and personalize them) Works with ALL current NFC capable devices ; Operating Range ~1cm (depends on device and protective case) NFC Chip Type: NTAG203 ; Memory Size: 144 bytes (usable 137 bytes) ; Rewrite Endurance: 100,000 cycles ; Data Retention: 10 years Material: Rigid White PVC (approx thickness of a credit card) ; Dimensions: 25mm