[Chip Feature] The manufacturing process strictly follows IEC 50443A protocol. It has 504 storage capacity and read or write lock function, read or write time only takes 1-2ms, data can be stored for over 10 years and over 100,000 times for erasing and writing. [Size and Material] Compact, each card is the size of a credit card. Made from high-quality PVC material, durable, waterproof, drip-proof, lightweight, perfectly protects the internal chip, suitable for long-term use. Each NFC card comes with individual packaging. [Blank White NFC Card] The printable surface allows you to customize 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. Do NOT use inkjet printers. [Compatibility] Compatible with TagMo (Android NFC-enabled smartphones) and Placiibo or Amiiboss or Amii NFC (iOS). Suitable for all NFC-enabled smartphones and devices. [Broad Application] Can be used for check-in, mobile payments, product inquiry, mobile identification, mobile marketing, social networks, business card distribution, access control, membership management, book loans, etc. Reading distance: 0 - 10 cm (actual distance related to sensors) Quantity: 50 pcs Color: White Material: Plastic Size: 85.5x54.5mm Packing Content: 50 x cards Only the above packing content is included other products are not included. Note: Light reflection and different displays may cause slight color differences between the item in the image and the actual product. The allowed measurement error is 1-3 cm.