durable colors and is suitable for both dye baths and brush painting

you can easily dye them black again – with results that last

making holes in fabric

durable finish

There are instructions on Rit's website:

Soie d'Alger Gråskala Silkestråd 6-pack metallknappar durable colors and is suitableA premium thread set from the French manufacturer Au Ver Soie, containing six 5 m silk threads in a grayscale palette, ranging from black to white. The threads are Soie dAlger, a stranded spun silk with a soft sheen that can easily be separated into individual strands. Smooth, soft and easy to work with, they are ideal for embroidery, cross stitch and other needlework projects.