Colour Streams hand-dyed cotton threads are available in over 60 overdyed colours. The colour play brings your designs to life. Cotto Strands: 6 stranded soft Egyptian cotton thread, low lustre, high twist, easily split giving a variety of uses. Rana: Similar to Perle 8, high twist. Suitable for all embroidery and excellent for hand quilting. Dusk is shades of greyed warm and cool mauves