The Wool-Ease Thick and Quick Yarn is just what you need for creating all kinds of fun projects. With its warm, thick construction, you can stay comfy in what you create. Beginners can easily work with the thick size of the Wool-Ease yarn. With a 108 yards of yarn, it will go a long way. This super bulky yarn in a wonderful multi-colored design works optimally with a 9mm hook. It is made with 80 percent acrylic and 20 percent wool for a softness that is made to last.