From the Knit Collage website: 

Spun Cloud Light is a worsted weight version of our classic Spun Cloud yarn.

Just like its super bulky namesake, our Spun Cloud Light yarn is fluffy, feather light and has a pretty, thick and thin texture. This yarn is 100% wool with 1 skinny strand of sparkly lurex plied around it. 

Length: Approx. 210 yards / 192m

Gauge: About 3-4 stitches per inch

Content: 100% wool

Yarn Weight: 100 grams

Suggested needle size: US 9-10.5 or 5.5mm-6.5mm

Washing instructions: Light steam block and spot clean as needed