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. John Lewis Heritage Merino Blend Chunky yarn is soft, lightweight and versatile. Perfect for cosy warm jackets, jumpers and all accessories. Its easy care style will machine wash and tumble dry beautifully.