• Pack of 60 NFC cards with a diameter of 25 mm, ideal for various technological applications. • Made with waterproof polyvinyl chloride material, effectively protecting the internal NFC chip. • Easy to use: no power, batteries, or manual pairing required. Simply bring your NFC device close to transfer data. • Wide compatibility with most NFC-enabled devices and mobile phones. • Suitable for check-in, mobile payment, product information inquiry, identity recognition, and more. • Storage capacity of 504 bytes and an operating frequency of 13.56 MHz. • Erase and write lifespan of up to 100,000 times.