Symbol 3124 from ISO 7000 - Title/Meaning: Do not bleach Function/description: To indicate that bleaching the textile article is not allowed.
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/e067f486-3b70-4e3f-aeb1-914d4f5f3e15 200.png
Vectorization:  Mrmw