Tumble dry, permanent press symbol
US symbol: one bar under the square – medium heat with a cool-down at the end to prevent creases.
- What to do
- The 'Permanent press' / 'Synthetics' setting.
- Avoid
- Leaving clothes in the drum afterwards – they'll crease.
- Where you see it
- Shirts, blends
What to set on the machine
- Dryer
- permanent press
Other drying symbols
Frequently asked
Pick all its symbols and get the washer, dryer and iron settings in one place.
Decode the labelPrintable symbol chart →01What does the permanent press symbol mean?
US symbol: one bar under the square – medium heat with a cool-down at the end to prevent creases.
02What should I do with the garment?
The 'Permanent press' / 'Synthetics' setting.
03What is the most common mistake?
Leaving clothes in the drum afterwards – they'll crease.
04Can I dry it on a radiator?
Labels don't mention radiators, but direct heat harms wool and synthetics much like a dryer. Room temperature is safest.
05Why do some clothes stretch while drying?
Wet knits are heavy: hung up, they stretch under their own weight. That's why knits dry flat.

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