Metallurgy -(2.1 oz) Depigmented Yak/ Tussah Silk (50/50)This is a wonderful blend of depigmented Yak fiber and smooth Tussah Silk, very soft with a subtle sheen. I take great care to make sure that dye is sufficiently exhausted and heat set the fibers so there is minimal to no run off. However, due to differences in water across the globe, what runs clear for me may bleed a little for you. Please take care to hand wash your finished item in cool water and lay flat to dry. I also make every attempt possible