From Amazon
XYZprinting RF10CXEU00B Jr. Pro NFC Filament ABS 1.75mm 600g Black 1 pc(s)
ReprapWorld
ABS Black Filament|1.75mm / 0.6 kg NFC spool | XYZ Printing
Conrad Electronic
XYZprinting RF10CXEU00B Jr. Pro NFC Filament ABS plastic 1.75 mm 600 g Black 1 pc(s)