This DK weight 4-ply yarn from Madelinetosh is made with 100% Superwash Merino wool. Each 100 gram skein is approximately 225 yards. Suggested US 6 - 7 or 4.0 - 4.5mm 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 South Africa.