[ntag215 Chip ] Manufacturing Process Strictly Follow The Protocol Iso/iec 50443a. It Has 504 Byte Storage Capacity And Read-write Lock Function, The Reading And Writing Time Only Need 1-2ms, Data Can Be Stored In More Than 10 Years, And More Than 100000 Times Of Erase And Write. [size And Material] Ntag215 Cards, Each Card Is The Size Of A Credit Card. Made Of High-quality Pvc Material, Sturdy, Waterproof, Drop-proof, Fold-resistant, Perfectly Protect The Internal Chip, Suitable For Long-term Use. Each Nfc Card With Poly Bag Individual Packing. [blank White Ntag215 Nfc Card] The Printable Surface Allows You To Personalize Your Nfc Card According To Your Needs, It Can Be Printed By Most Photo Id Card Printers, Such As For Datacard, For Zebra, For Fargo, For Evolis, For Magicard, For Nisca, For Nbs Etc. Not Use For Inkjet Printers. [compatibility] Compatible With For Tagmo(android Nfc-enabled Smartphones) And For Placiibo/amiiboss/amii Nfc (ios). Suitable For All Nfc Enabled Smartphones And Device Crafted With Attention To Detail