OEKO-TEX is not a material itself, but rather a certification system that ensures textiles and textile products are free from harmful substances. Oeko-Tex tests and certifies textiles such as clothing, accessories, home textiles, and furniture, among other decor items. This includes
textiles used in any stage of product processing (from threads to finished goods)
other related components such as dyes, linings, coatings, buttons, zippers and so on
Any fabric (made from natural fibers like wool or synthetic fibers like polyester) can be Oeko-Tex certified as long as it passes the organization's rigorous testing requirements.