To achieve optimum results, we cross check yarns ordered from JohnLewis.com to ensure they all carry the same dye lot number. This means that all yarns ordered in a single transaction will come from the same dye lot. Specially developed to be incredibly soft, gentle and smooth for babies; this is a new blend yarn with natural bamboo and wool. Designed to keep its quality through gentle machine washing. Tension: 22 stitches, 28 rows to 10cm on 4mm needles.