Silk – natural, protein, animal fibers
Silk is a protein fiber made from silkworms and is the only natural fiber that is a filament fiber. Silk fibers spun by several species of arthropods have existed naturally for hundreds of millions of years.
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Silk is a protein fiber made from silkworms and is the only natural fiber that is a filament fiber. Silk fibers spun by several species of arthropods have existed naturally for hundreds of millions of years.