Piedras is one of Malabrigo's unique colors.Although the translation is pebbles, we often think these are the pretiest pebbles one could find. Green, Orange, Gold, Grey, Brown, sometimes Violet, Blue or Purple.run through the 100% Merino, four ply yarn. It's perfect for accessories, garments and children. Knits up at 4-5 sts per inch on size 6-8 needles.Machine wash cold, dry flat. 210 yards. .