[NTAG215 Chip Feature] Manufacturing process strictly follows the ISO/IEC 14443A protocol. It has 504 byte storage capacity and read-write lock function. The reading and writing time requires only 1-2ms. Data can be stored for more than 10 years, with over 100,000 erase and write cycles. [Size and Material] NTAG215 cards are credit card sized. Made of high-quality PVC material, sturdy, waterproof, drop-proof, and fold-resistant, providing excellent protection for the internal chip, suitable for long-term use. Each NFC card is packed individually in a poly bag. [Blank White NTAG215 NFC Card] The printable surface allows customization according to your needs. Compatible with most photo ID card printers such as DataCard, Zebra, Fargo, Evolis, Magicard, Nisca, NBS, and others. Not suitable for inkjet printers. [Compatibility] Works with TagMo (Android NFC-enabled smartphones) and Placiibo/Amiiboss/Amii NFC (iOS). Suitable for all NFC-enabled smartphones and devices. [Wide Application] Can be used for check-in, mobile payment, product information query, mobile identification, mobile marketing, social networking, business card sharing, access control, membership management, book borrowing, and more. Sensing distance: 0 - 10 cm, actual distance may vary depending on device. Quantity: 100 PCS / 50 PCS Color: White Material: Plastic Size: 85.5 x 54.5 mm Package Contents: 100 * NTAG215 cards / 50 * NTAG215 cards Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the real thing. Measurement allows an error of +/- 1-3 cm.