Cosmo embroidery floss is a superior quality floss with 6 divisible strands. It is colorfast and 100% Egyptian cotton. 8 meters per skein.
500 Vivid White
2500 Vivid White
Cosmo notes that there is a subtle difference between the whites, though my weary eyes cannot detect it. Perhaps you can! I've included a few shots in different lighting in order to attempt to make the difference more clear.