NFC Epoxy Tags NTAG213:Material:EpoxySize: 30mmOther size:45*30,42*26,53*30,55*27,28*28mmφ25, φ 32,φ35,φ40,φ45, φ60 ,φ70mm etc.(Custom Size Available) Minimum QTY: 500pcs NTAG213 Key FeatureFrequency:13.56MhzProtocol:ISO14443AMemory:144ByteOther Chips Available(LF): EM4200, EM4305,TK4100, T5577 etc. (HF): MF 1K S50/Fudan F08/MF 4K S70/I Code Sli/ Ultralight/Ntag 203 etc. (UHF):Alien H3,U Code etc.Available Craft:QR Code/Serial Number Engraved etc.