Where does this come from, and can I check it?

ISO 3758 defines the wash tub, triangle, iron and circle marks. The figure is taken from International Organization for Standardization, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a everyday life fact?

Yes. It sits on the Everyday Life shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

What else can I read about it?

The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

The symbols on clothing labels follow a standard

ISO 3758 defines the wash tub, triangle, iron and circle marks Care symbols on garment labels are standardised in ISO 3758, so a tub with a number means a maximum wash temperature and a crossed-out triangle means no bleaching. A circle covers tumble drying, and dots inside an iron give the safe soleplate heat. The pictograms replaced written instructions that were hard to translate. It sits in Mondo's everyday life collection, one of 200 facts that each trace back to the reference below.

Where this comes from

International Organization for Standardization

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

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Tags: clothing, standards, laundry

The symbols on clothing labels follow a standard: the short answers

Where does this come from, and can I check it?: ISO 3758 defines the wash tub, triangle, iron and circle marks. The figure is taken from International Organization for Standardization, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a everyday life fact?: Yes. It sits on the Everyday Life shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.