The skeins have 100 gr and 420 m, 75% wool and 25% polyamid for stability and strenght. The wool is superwash, which means you can put it in the washing machine with cold water.
I personally hand dye this yarn with ecologic dyes, heavy metal free, and try to distribute the colors so they make interesting sequences once knitted as socks. The dye lots are very small, between one and four skeins depending on the color.
Even tough this yarn is meant to be used to knit socks, you can knit anything with it, but have in mind that it is not a very soft yarn. Fine fibers can’t stand the abrasion socks suffer, so this yarn is coarse enough to resist inside the shoes, but at the same time it is fine enough to be a pleasure to knit with.
We recommend to use a soft soap, like shampoo, shower gel or handmade soap, or you could even not use soap at all. We do not ensure at all the fastness on the color if you use detergent, bleach, or any other similar product. If you have any doubt on how to wash your hand knits you can read this post (sorry, at this moment it is only in catalan!).