This listing is for 4 ounces of 50% Tibetan Yak combed top, 18.5 micron and 50% cultivated Bombyx silkSuper soft! Fantastic sheen - looks like molten silver. Tibetan Yak at 18.5 microns is comparable to Cashmere at a fraction of the price.Would be great on a Mistral, Squall or Chinook.Recommended Spinning Technique: Spin from the fold - this will even out the staple length difference between the yak and the silk.Care: Hand wash cold. Lay flat to dry. This fiber will felt.Colors may vary according to monitors, but all effort has been taken to accurately depict the colors of the fiber.