1、Waterproof PVC Material: NTAG215 card is made of durable waterproof PVC material, which can be placed outdoors or near water without losing its function, with sleek and shiny surface, wear resistant, good stability, non toxic, odorless, good hygiene and safety. 2、504 Bytes Available NDEF Memory: This NFC sticker has 504 bytes of available NDEF memory. Suitable for URL, text, small contact records or single action phone triggers. Provides enough storage space to quickly write the desired information, and it has a read or write lock feature that allows the card to be repeatedly edited or read only. 3、Wide Application: You can use them to quickly share social media, music, business cards, connect to WiFi, and more to make your life more colorful! 4、Good Compatibility: This NFC sticker is compatible with for TagMo for Amiibo and all NFC enabled for Android phones and other devices. 5、Small Size: This NFC sticker is compact in size and can be used with multiple devices and is simple to use, just stick it to the device you are using. Item Type: NFC Stick Card Material: PVC Size: Approx. 25mm/0.98in Operating Frequency: 13.56 MHz Available Memory: 504 Bytes Function: Read, Write, Rewrite, Read Only 30 x NFC Stick Card