This is a 50g ball of King Cole Chunky Tinsel in Black (230). It is 75% Polyester & 25% Lurex. Tinsel Chunky is a Chunky/Bulky weight yarn & size 6mm knitting needles/hook are recommended, but check your pattern & tension first. Each ball measures approx 70 metres/79.5 yards. Tinsel Chunky can be hand washed at 30 degrees.