Sufficient : you will 2 pairs of spool typewriter ribbons, the is enough to your daily use and , solve the of frequent purchase Model compatibility: the typewriter spool ribbon is suitable for typewriters, you can the right ribbon according to your typewriter model : spool typewriter ribbon has ink, which will bring you a good use experience; And it will not be a ribbon that has been left for many years, so you 't have to worry about using it Red and black color: different from other single color , the provided typewriter ribbon has red and black inks, different colors are easy to distinguish, which is more convenient for you to use in your work Easy to use: these typewriter spool ribbons are suitable for typewriters, you can use to replace the old or broken ones, easy to replace and use, very suitable for office Type: Typewriter Ribbon Material:ABS+Nylon colour:Black + Red Package Contents: 2 x Typewriter ribbons