Symbol 3099 from ISO 7000 - Title/Meaning: Bleaching with non-chlorine agents Function/description: To indicate that bleaching the textile article is allowed only with oxygen or other non-chlorine bleaching agents.
pay attention to orientation of symbolApplication referenced in: ISO 3758:2012
Additional information: 
Graphical symbol is based on the GINETEX care labelling system.
Own work using: iso.org/obp/graphics/grs/82d8ea69-c6ec-4637-8807-02ffe5e895e6 200.png
Vectorization:  Mrmw