This worsted weight plied yarn from Madelinetosh is made with 100% Superwash Merino Wool. Each 100 gram skein is approximately 200 yards. Suggested US 7 - 9 or 4.5 - 5.5mm needle or US 7 - I9 or 4.5 - 5.5mm hook. Machine wash cold on gentle cycle and air dry flat. Hand-Dyed in Texas from wool ethically sourced in Peru