100PCS-SANPOPO Blank NTAG215 NFC Cards NFC Tags - Black，13.56 MHz, 504 - Byte Memory,Programmable ISO Cards for Home Automation, Smart Device Control & MoreColour 100pcs Size black Brand sanpopo UPC 768825904469 ntag215 black cards About Product100 pieces blank NFC cards black the size is 8,5 * 5,4 cm 3,34 * 2,12 inch. The quantity is just the right amount for fun and needs; good choice as a small gift for your friend or family. Note: without self adhesive glue; Not designed for use on metal surfaces About Chip High quality NTAG215 Chip, with 504 bytes of available NDEF memory. Providing enough storage