ColourLab DK is a fantastic range of 100% British Wool ColourLab DK by West Yorkshire Spinners is available in range of bright solid and self-striping colours. Product Information Ball Size – 100g Composition – 100% British Wool Weight – Double Knit Needles – 4mm US6 225 Metres – 245 Yards Washing Instructions; Machine Wash 40° Do not tumble dry Reshape whilst damp Tension – 28 Rows – 22 Stitches Owing to photography and digital reproduction the images have been matched as closely as possible to the yarn.