Textile fiber is the raw material used in the textile industry. There are several ways to classify textile fibers, including by their nature and origin, moisture absorption abilities, and source. Natural fibers come from plants, animals, or minerals. Plant fibers include those from seeds like cotton, from plant skins like flax, and from leaves like sisal. Animal fibers include silk from silkworms and wool from animal hair. Mineral fibers include asbestos. Man-made fibers are artificially produced from other substances, like polyester and nylon. Regenerated fibers are produced from natural cellulose sources like cotton. Fibers can also be classified as hydrophilic, able to absorb water like cotton, or hydrophobic