[NTAG215 Chip Feature] Manufacturing process strictly follows the protocol ISO/IEC 50443A. It has 504 byte storage capacity and read-write lock function, reading and writing time requires only 1-2ms, data can be stored for more than 10 years, and supports over 100,000 erase and write cycles. [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 protects the internal chip, suitable for long-term use. Each NFC card comes with individual poly bag packaging. [Blank White NTAG215 NFC Card] The printable surface allows you to personalize your NFC card according to your needs, compatible with most photo ID card printers such as DataCard, Zebra, Fargo, Evolis, Magicard, Nisca, NBS, etc. Not suitable for inkjet printers. [Compatibility] Compatible 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, etc. Sensing distance: 0 - 10 cm, actual distance may vary depending on device. Quantity: 50 PCS Color: White Material: Plastic Size: 85.5 x 54.5 mm Package Contents: 50 x NTAG215 cards Only the above package content, 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 allowance is +/- 1-3 cm.