Contains all 30 colours of 12 Wt. Cotton Petites Blendables that are available on 50 yd. Petites snap-end spools for easy use and storage. Gone are the days of having to separate strands of floss or untangle your thread before you start your latest project. One strand of Sulky 12 Wt. Cotton thread is equal to 2 strands of embroidery floss. Sulky Cotton Petites thread has been a huge hit among hand quilters and hand embroiderers.