Addison - 100% 22 micron Machinewashable Australian Merino Wool.DK/8ply/11WPI. 180 metres/100gms.Knit using 4mm needles. 22sts/10cms.Although this is a machinewashable yarn, I recommend handwashing in Cool soapy water and Drying flat in the shade to keep it looking at its best for longer.Skeins - Approx 100gms