Came from Australian Merino Micron 16.5um-22.5um, length 40-45mm very few skin flakes, weeds, neps good strength, ... treatment without any chemicals, natural organic, eco-friendly3. Australian wool open tops are applicable to woolen yarns, semi-worsted yarns and ... rotor spinning.4. Fineness 16.5-22.5um, length 40-45mm5. No skin flakes, weeds, neps; good strength, whiteness ...