Chip Feature Manufacturing process strictly follow the protocol ISOIEC 50443A. It has 504 byte 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-, perfectly protect the internal chip, suitable for long-term use. Each NFC card with poly bag individual packing. Blank White NFC Card The printable 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 u0026 etc. NOT use for inkjet printers. Compatibility Compatible with for TagMo(Android NFC-Enabled Smartphones) and for PlaciiboAmiibossAmii 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:100 PCS Colour:White Material:Plastic Size:85.5x54.5mm Package Contents: 100 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.