This is 1 oz of 21.5 micron glacier gray merino wool roving. It's great for Nuno Felting, Needle Felting, Wet Felting, Spinning, and other fiber arts. Glacier grey is a lovely light grey color with lots of blue undertones. Please see all photos for how this color compares to other blues and neutrals we carry. I've tried to get as close as possible to the true color of the fiber , but all computer monitors display color differently. Please keep that in mind when placing your order..