Colour: red, blackFastening: no fastening, for rubberMaterial: 95% cotton, 5% elastaneMaterial Properties: ElasticExtra information: Underwear or swimwear cannot be returned for hygienic reasons, so you better look at them at the Dispensary of Joy. Sustainability: Oeko-Tex Standard 100 (international testing and certification system for textiles made only from non-toxic materials)