Sublime Baby Cashmere Merino Silk 4ply is 75% Extra fine merino, 20% silk, 5% cashmere. Beautiful to work with, stands up well to active babies. Machine washable 3-3.25mm/10-11UK/2-3US. 10cm (4") square = 28 sts x 36 rows. Approx 170m (184 yds) per 50 gram ball. Colours may vary due to difference in screens.