Symbol 3092 from ISO 7000 - Title/Meaning: Washing, normal process, maximum 50 Celsius Function/description: To indicate that cleaning the textile article is allowed using normal washing process at maximum temperature 50 degrees Celsius.
pay attention to orientation of symbolApplication referenced in: ISO 3758:2012
Additional information: 
Three small circles may be added below a reduced size number 50
Graphical symbol is based on the GINETEX care labelling system.
Own work using: iso.org/obp/graphics/grs/7e6659a2-dbe0-4921-a6bb-30e5374bab1e 200.png
Vectorization:  Mrmw