King Cole These mixed shades lend themselves to garments for both children and adults. Sold as 100g balls each ball includes 290 Metres, 320 Yards (approx) Made from 100% Premium Acrylic. King Cole recommend knitting with 4mm needles. The recommended teansion is 22 stitches by 28 rows on a 10 centimetre square Can be machine washed at 40c. Full range of supporting patterns available elsewhere on Amazon.