75% superwash merino, 20% nylon, 5% stellina; each skein of this 4ply yarn has 100 grams & 400 yards. this high-twist yarn has a subtle scattering of silver stellina sparkle; it can be washed on a gentle wool cycle in your washing machine, although i'd recommend hand-washing for longer life. yellow-green? or green-yellow? this colourway is hand-dyed in a vivid, semi-solid grellow.