James C Brett Marble DK has a beautiful range of colours from brights, neutrals and pastels and because of the twist in the strands it makes a gorgeous marble effect that will have you wanting to knit with the whole range. Made from 100% premium acrylic. Recommended needle/hook size – 4mm. Weight of ball – 100g. Length – 240m/262yrds. Tension – 22sts + 30rows per 10cm/4inch. Machine washable at 30°.