TZ Label tape, Black on White, 8m x 18mm. Works in the following Brother P-Touch machines:
PT-1290RS
PT-1500PC
PT-1700
PT-1750
PT-1760
PT-1830VP
PT-1850
PT-18R
PT-18RKT
PT-1950
PT-2030VP
PT-2100
PT-2420PC
PT-2430PC
PT-2450DX
PT-2470
PT-2480
PT-2500PC
PT-2700VP
PT-2730VP
PT-3600
PT-550
PT-7500
PT-7600VP
PT-9200DX
PT-9200PC
PT-9400
PT-9500PC
PT-9600
PT-9700PC
PT-9800PCN
PT-D400
PT-D450VP
PT-D600VP
PT-D800W
PT-E300VP
PT-E500
PT-E550WSP
PT-E550WVP
PT-E550WVPNI
PT-P900W
PT-P950NW
RL-700S