Supersoft blend of 60% Acrylic and 40% Nylon fibres. Comfort Chunky comes in a range of both soft pastel and bold shades. Each 100g ball includes approximately 106 metres / 116 yards of knitting yarn. King Cole recommend that you knit this yarn using either 6mm (US11) or 8mm (US10) knitting needles. The recommended tension is 12 stitches to 16 rows (10cm x 10cm) when using 8mm needles or 14 stitches to 30 rows (10cm x 10cm) when using 6mm needles This yarn can be washed at 40C and cool tumble dried. King Cole recommend that you don't iron or bleach it. A full range of patterns including both baby and childrens designs are available elsewhere on Amazon. Supersoft blend of 60% Acrylic and 40% Nylon fibres. Comfort Chunky comes in a range of both soft pastel and bold shades. Each 100g ball includes approximately 106 metres / 116 yards of knitting yarn. King Cole recommend that you knit this yarn using either 6mm (US11) or 8mm (US10) knitting needles. The recommended tension is 12 stitches to 16 rows (10cm x 10cm) when using 8mm needles or 14 stitches to 30 rows (10cm x 10cm) when using 6mm needles. This yarn can be washed at 40C and cool tumble dried. King Cole recommend that you don't iron or bleach it. A full range of patterns including both baby and childrens designs are available elsewhere on Amazon.