What does this symbol mean?
ISO 3758 A circle inside a square with one dot in the centre

Tumble dry, low heat

The item can be tumble dried at a low temperature.

Where a garment's own label or its manufacturer says otherwise, that takes precedence.

Easily confused with

How to read it

A circle inside a square stands for tumble drying. One dot inside the circle indicates low heat; two dots indicate normal heat.

Also searched as: tumble dry one dot.

More laundry symbols

Sources

  • Textiles — Care labelling code using symbols, ISO 3758, ISO
  • Standard Guide for Care Symbols for Care Instructions on Textile Products, ASTM D5489, ASTM International

Last reviewed September 23, 2026.