A. Manufacturing process strictly follows the protocol ISO/IEC 50443A. It has 504 byte storage capacity and read-write lock function, with reading and writing time only needing 1-2ms, data can be stored for more than 10 years, and more than 100000 times of erase and write. B. Size and Material: Each card is the size of a credit card. Made of PVC material, sturdy, waterproof, drop-proof, fold-resistant, which can protect the internal chip, suitable for long-term use. Each NFC card comes with poly bag individual packing. C. Blank White 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 [specific brands], for Nisca, for NBS & etc. Not suitable for inkjet printers. D. Compatibility: Compatible with TagMo (Android NFC-Enabled Smartphones) and Placiibo/Amiiboss/Amii NFC (iOS). Suitable for all NFC enabled smartphones and devices. E. 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; specific actual distance is related to sensors. F. Quantity: 100 PCS G. Colour: White H. Material: Plastic I. Size: 85.5x54.5mm J. Package Contents: 100 * cards. Only the above package content, other products are not included. K. Note: Light reflection and different displays may cause the color of the item in the picture to be a little different from the real thing. The measurement allowed error is +/- 1-3cm.