[ Chip Feature] Manufacturing process strictly follow the protocol /IEC 50443A. It has 504 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] 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 suitable for long-term use. Each NFC card with bag individual packing. [Blank White NFC Card] The printable surface allows you to personalize your NFC card according to your needs, it can be by most photo ID card printers, such as suitable for , suitable for , suitable for , suitable for , suitable for , suitable for Nisca, suitable for NBS & etc. NOT use suitable for inkjet printers. [Compatibility] Compatible with suitable for TagMo(Android NFC-Enabled Smartphones) and suitable for Placiibo/Amiiboss/Amii NFC (iOS). Suitable suitable for all NFC enabled smartphones and devices. [Wide Application] Can be using suitable for check in, mobile payment, product insuitable formation 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 related to sensors Quantity:50 PCS Colour:White Material:Plastic Size:85.5x54.5mm Package Contents: 50 * 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.