Tsubame is a delicious yarn from Noro, wound into a large ball and with a plethora of colors with long color runs.
The yarn is 50% silk/ 25% wool/ 25% nylon -- the high quantity of silk, I suspect, is one of the reasons it feels so lovely running through my fingers. Each ball has 656 yards (600m) per 200g.
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The colorway offered on this webpage is called Morioka (#5). Among the color spans in the yarn I see steel blue, green, pink, amber and lilac.
Just to give you some ideas of the types of projects you could knit with this:
I took one ball in a different colorway and began to knit it in a scarf-sized version of Tuck Stars by Ute Nawratil . You can see my progress in the second photo on this page.
The third photo shows yet another colorway that I knit in Jelly Roll by kieranfoley -- I used a slightly different Noro yarn (Tabi) though Tsubame also works beautifully here.