This is King Cole Glitz DK in Jet. It is a soft sparkly wool made up of 97% Premium Acrylic & 3% Polyester. It is perfect for adding a touch of Sparkle to your wardrobe. It is a DK/Light Worsted weight wool & size 4mm knitting needles/hook are recommended, but always check your pattern & tension first. Each ball measures approx 290metres/317yards. It is machine washable on a 40 wash.