Hand Over-Dyed Wool Fabric This gorgeous 100% hand dyed premium wool fabric is colorfast, felted and perfect for rug hooking. Virgin Wool Fabric This is unwashed, mill-dyed, Virgin 100% wool - great to use as-is or for over-dyeing. Wool Fabric The colors are rich and the hand is wonderful. This is unwashed, mill-dyed, Virgin, 100% wool - great to use as-is or for over-dyeing.