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. Erika Knight is a major name in the fashion and yarn industries, praised as an expert knitwear designer and consultant. In collaboration with John Lewis, Erika Knight creates an exclusive new range of patterns and yarns, showing her passion for British made material that is simple to use. This yarn is South American wool which is dyed and beautifully spun in the UK. Comfortingly soft and chunky, ideal knitting material for jumpers, accessories and home-ware.