This is a Super Chunky from King Cole called Stormy. It is part of their Big Value collections. This shade is called Thunder & is made up of Light Greys. The colours are made up of light & dark tones entwined together to give a lovely marl effect. It is 100% Premium Acrylic. Stormy is a Super Chunky/Super Bulky weight yarn & size 10mm knitting needles/hook are recommended to use, but always check your pattern & tension first. Each ball is 100g & measures approx 81 metres/88 yards. It is machine washable on a 30° wash.