Basic Feature: NTAG213 Chip With 144byte memory and Compatibility with every NFC device. NTAG213 NFC Specification 1.NDEF format 2.ISO/IEC 14443A 3.Operating frequency: 13.56 MHz 4.168byte total memory, 144 bytes of user memory 5.Operating distance: Up to 100mm depending on field strength and antenna geometry) Material available: PET/PVC Available Die Cut Size : Round Shape:Ø20mm/26mm/29mm/30mm/35mm/38mm/40mm/50mm Square Shape:18x18mm/20x20mm/25x25mm/30x30mm/35x35mm/40x40mm/45x45mm/50x50mm Rectangle Shape:12x20MM/15X20MM/15X30MM/20X40MM/25X40mm/ 25X38mm/18x56MM/54x86MM Encoding: We can provide NFC Tag encoding with single Website,single Text,vCard and variety encoding like Data,Text,URL,SMS,Emai,telephone number etc Craft available: Custom logo printing, Unique QR/Barcode, Serial number Printing ,Anti-metal material,3M strong Adhesive etc More NFC Chip available: MF 1k / 4k,MF Ntag203 /213/215/216 ,MF Ultralight /-C,MF DESFire 2K/4K/8K,MF Plus-X /S 2K/4K ,TI2048,SRT512,FELICA-LITE-S,Topaz512 ,SLE 66R35,SLE 66R01