Duets is comprised of 2 separate skeins, twisted together. One skein is Supermerino, and the other is Regal Silk. There is a URL and coupon code on each label, where you can download a pattern booklet free for this yarn.

10/7/14: New color combination added, Gemstone, designed by Jennifer Beaumont:
http://www.ravelry.com/designers/jennifer-beaumont