We Love, Love, Love this yarn. It's very fun, self-striping, feels good in the hand, and does not split.
Here are the details:
400 yards(366 meters) Unit weight 100 grams (3.53 ounces)
Gauge 7.0 to 9.0 sts = 1 inch
Needle size US 0 - 2 or 2 - 2.75mm
Fibers 80% Wool - Merino 20%
Manufactured Fibers - Nylon / Polyamide