STANDARD 100 by OEKO-TEX® STANDARD 100 by OEKO-TEX® is one of the world's most recognised labels for textiles tested for harmful substances. It stands for customer confidence and high product safety. If a textile article is labelled with the STANDARD 100 label, you can be sure that all components of this article, i.e. all threads, buttons and other accessories, have been tested for harmful substances and that the article is therefore harmless to health. Testing is carried out by independent OEKO-TEX® institutes on the basis of the comprehensive OEKO-TEX® criteria catalogue.