This is a 50g ball of King Cole Finesse Cotton Silk DK in Soft Blue. Finesse Cotton Silk is made up of 77% Cotton & 23% Silk. The wool is Double Knit/Lightworsted in weight & size 4mm/US6 Knitting Needles/Hook are recommended to use. Each ball measures approx 120metres/131 yards. This wool is handwash only.