Sfumato by Katia is a yarn that forms a gradient combining smooth and jasper tones. Composition: 100% Cotton. It is a very soft touch thread ideal for all types of skins. Each ball contains 150 grs and 375 m. Work with 4.5 - 5.5 mm knit needles and 3.5 - 4 mm crochet. It is suitable for machine washing up to 30ºC. Ironing at low temperature. Not suitable to use dryer.