[NTAG215 Chip Feature] Manufactured in strict compliance with ISO/IEC 14443A protocol. Features 504 bytes of storage capacity with read-write lock functionality. Reading and writing time requires only 1-2ms. Data retention lasts over 10 years with support for more than 100,000 erase and write cycles. [Size and Material] Each NTAG215 card is credit card sized. Made of high-quality PVC material, durable, waterproof, drop-resistant, and fold-resistant, providing reliable protection for the internal chip for long-term use. Each NFC card is individually packed in a poly bag. [Blank White NTAG215 NFC Card] Printable surface allows customization to meet individual 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 on Android NFC-enabled smartphones and with Placiibo, Amii, and Amii NFC on iOS devices. Compatible with all NFC-enabled smartphones and devices. [Wide Application] Suitable for check-in systems, mobile payments, product information lookup, mobile identification, mobile marketing, social networking, business card sharing, access control, membership management, library book borrowing, and more. Operating sensing distance: 0–10 cm, actual distance may vary depending on device. Quantity: 100 PCS or 50 PCS Color: White Material: Plastic Size: 85.5 x 54.5 mm Package Contents: 100 or 50 NTAG215 cards (depending on selection) Note: Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement allows for an error of +/- 1-3 cm.