Features FOR NTAG215 CHIP: With 504 bytes of available NDEF memory. Suitable for URLs, text, small contacts records, or single action phone triggers. Provides enough storage space to quickly write the desired information. Read, write lock function so that the card can be repeatedly edited or read only. Cannot edit or reset after being set as a read only label. PVC MATERIAL: The stickers are made of sturdy water-proof PVC material, which can be placed outdoors or near water without losing its function. The surface is smoothly and glossy, wear resistant, stable, and odorless. Please rest assured to purchase! APPLICATION: Compatible with for TagMo for Amiibo and all for Android phones and other devices that support NFC. You can use NFC stickers to make an for amiibo card and share social media, music, business cards, Wi Fi connection, etc., to make your life more colorful! 30PCS: There are 30 pieces NFC stickers in the package that suitable for long term use or make replacements. EASY TO USE: With a small size and a lightweight as well, these stickers are easy to carry and use, very convenient! Spec: Item Type: NFC Tags Material: PVC Product Size: Approx. 25mm / 0.98in Operating Frequency: 13.56 MHz Available Memory: 504 bytes Function: Read, Write, Rewrite, Read Only How to Use: Use after card reading packing list: 30 xNFC Tags Notice: Not supported on metal surfaces. Package List 30 x NFC Tags