... .Thickness0.35mm; 0.8-1.0mm with anti-metal layer.Frequency13.56MHzChipMifare 1K S50, Mifare Ultralight, Mifare ... , etc.OptionsLogo printing silkscreen/offsetLaser logo printingAdhesiveWith anti-metal layerEncodingKey Specifications/Special Features:IC: Mifare 1K, 4K ... Serial Number, UID number· Chip encoding· Anti-metal layer· 3M adhesive layerApplicationSuitable for many purposes including RFID, NFC ...