Brother P-Touch M Tape 12mm Black /White (Width: 12mm, length 8m) MK231BZ BA58002
Brother TZe-231 Labelling Tape Cassette, 12 mm (W) x 8 m (L), Laminated, Brother Genuine Supplies - Black on White : Amazon.co.uk: Stationery & Office Supplies
Brother MK231SBZ Black on White Label Tape 12mm (4m) | Rapid Online
TZE-231 Brother, Label Printer Tape, Adhesive-Laminated, Black on White | Farnell UK