[ Chip Feature] Manufacturing process strictly follow the protocol or 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 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 printed by most photo ID card printers, such as for , for , for , for , for , for Nisca, for NBS and etc. NOT use for inkjet printers. [Compatibility] Compatible with for TagMo(Android NFC-Enabled Smartphones) and for Placiibo or Amiiboss or Amii NFC (iOS). Suitable for all NFC enabled smartphones and devices. [Wide Application] Can be using 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 related to sensors Quantity:50 PCS Colour:White Material:Plastic Size:85.5x54.5mm Package Contents: 50 x 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.