[ Chip Feature] Manufacturing process strictly follow the protocol or IEC 50443A. It has 504 storage capacity and readwrite lock function, the reading and writing time only need 12ms, 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 highquality PVC material, sturdy, waterproof, dropproof, foldresistant, perfectly protect the internal chip, suitable for longterm 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 for , for , for , for , for , for Nisca, for NBS and etc. NOT use for inkjet printers. [Compatibility] Compatible with for TagMo(Android NFCEnabled 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 13cm.