We Are Knitters 'The Wool' is a magnificently plump super bulky yarn, crafted from 100% Peruvian wool from sheep who graze peacefully in the Andes! What more could you ask? Each giant 7.1oz ball contains 262.5ft of gorgeous color - there are 13 rich solid shades and one spotted black and white. We love the Aquamarine! Knits up on US 15 (10mm) needles.