Do not iron symbol

An iron crossed out, forbidding ironing.

Clothing & laundryStandard profile

Meaning

A crossed-out iron forbids ironing. Dots inside an uncrossed iron set the maximum plate temperature instead, one for the coolest setting.

Officially standardisedVerified fact
In the ISO 3758 system a crossed-out iron prohibits ironing the garment.
Contexts: Laundry

A flat-bottomed shape with a curved upper edge and a short handle, seen from the side, crossed by a large diagonal cross.

Opposite of: Ironing temperature dots
Both are built from objects, and both are used in laundry contexts.
Part of the same system as: Ironing symbol
Both are built from objects, and both are used in laundry contexts.

IdentityHigh confidence: High confidence because the identity is defined by a current official standard.
Historical originModerate confidence: Moderate confidence because the historical origin is documented in encyclopedic references, but early or supporting evidence is limited, but the regional or cultural match to this specific claim is not precise.
Current useHigh confidence: High confidence because the current use is defined by a current official standard.
Visual matchHigh confidence: High confidence because the visual match is documented in encyclopedic references.

ISO 3758:2023, Textiles — Care labelling code using symbols
International Organization for Standardization · retrieved 2026-08-01
Paywalled and NOT READ. Registered so the standard can be named as existing and as defining the care-labelling system built on the five base symbols. It supports no individual record's specific meaning; those are carried by reference works that report them. See docs/paywalled-standards.md.
Laundry symbol
Wikipedia · retrieved 2026-08-01
Tertiary reference. Used for widely-agreed identity, origin and current use, not for contested detail or exact dates.

Last reviewed 2026-08-01

Confidence

IdentityHigh confidence: High confidence because the identity is defined by a current official standard.
Historical originModerate confidence: Moderate confidence because the historical origin is documented in encyclopedic references, but early or supporting evidence is limited, but the regional or cultural match to this specific claim is not precise.
Current useHigh confidence: High confidence because the current use is defined by a current official standard.
Visual matchHigh confidence: High confidence because the visual match is documented in encyclopedic references.

Sources

ISO 3758:2023, Textiles — Care labelling code using symbols
International Organization for Standardization · retrieved 2026-08-01
Paywalled and NOT READ. Registered so the standard can be named as existing and as defining the care-labelling system built on the five base symbols. It supports no individual record's specific meaning; those are carried by reference works that report them. See docs/paywalled-standards.md.
Laundry symbol
Wikipedia · retrieved 2026-08-01
Tertiary reference. Used for widely-agreed identity, origin and current use, not for contested detail or exact dates.

Last reviewed 2026-08-01