[Chip Feature] Follows protocol/IEC 50443A, 504 bytes storage, read-write lock function, read-write time 1-2ms, data storage over 10 years, erase/write over 100,000 times. [Size and Material] Credit card size (85.5x54.5mm), high-quality PVC material, sturdy, waterproof, drop-proof, fold-resistant, individual packing. [Blank White NFC Card] Printable surface for personalization, compatible with most photo ID card printers (not for inkjet printers). [Compatibility] Works with TagMo (Android NFC phones) and Placiibo/Amiiboss/Amii NFC (iOS), suitable for all NFC enabled smartphones and devices. [Wide Application] Ideal for check-in, mobile payment, product info query, identification, marketing, social networking, business card sharing, access control, membership management, book borrowing, etc. Sensing distance: 0-10cm (actual distance depends on sensors). Quantity: 100 PCS, Colour: as shown, Material: Plastic. Package Contents: 100 * cards (other products not included). Note: Light reflection and different displays may cause color variation; measurement error +/-1-3cm.