Sufficient : you will 6 pairs of spool typewriter ribbons, the is enough to your daily use replacement, solve the of frequent purchase Model compatibility: the typewriter spool ribbon is suitable f typewriters, you can the right ribbon accding to your typewriter model : spool typewriter ribbon has ink, which will bring you a good use experience it will not be a ribbon has been left f many years, so you 't have to wry about using it Red black col: different from other single col , the provided typewriter ribbon has red black inks, different cols are easy to distinguish, which is me convenient f you to use in your wk Easy to use: these typewriter spool ribbons are suitable f typewriters, you can use to replace the old broken ones, easy to replace use, very suitable f office Type: Typewriter Ribbon Material:ABSandNylon colour:Black and Red Package Contents: 6 x Typewriter ribbons Only the above package content, other are not included. Note: Light different displays may cause the col of the item in the a little different from the real thing. The measurement allowed err is 1-3cm.