Fabric Care Symbols Explained: Complete Guide for Curtains

What Are Fabric Care Symbols?

Fabric care symbols are standardised icons found on the care labels of curtains, clothing, and textiles. They tell you exactly how to wash, dry, iron, and clean a fabric safely. Understanding them means you'll never accidentally shrink a linen curtain or scorch a silk panel again.

The symbols are based on international standards (ISO 3758) and are used worldwide, though some regional variations exist. This guide covers the most common symbols you'll encounter on curtain care labels.

Washing Symbols

Washing symbols are represented by a bucket / tub of water.

Tub with water: Machine washable
Number inside tub (e.g. 30, 40, 60): Maximum wash temperature in degrees Celsius
Tub with one line underneath: Machine wash on a gentle/permanent press cycle
Tub with two lines underneath: Machine wash on a very gentle/delicate cycle
Hand in tub: Hand wash only — do not machine wash
Tub with X through it: Do not wash — dry clean or specialist clean only

Common Washing Temperatures

Symbol	Temperature	Suitable For
30°C	Cold / cool wash	Delicates, silk, linen, wool blends
40°C	Warm wash	Cotton, synthetics, most everyday fabrics
60°C	Hot wash	White cotton, heavily soiled items

Drying Symbols

Drying symbols are represented by a square.

Square with circle inside: Tumble dry safe
Square with circle + one dot: Tumble dry on low heat
Square with circle + two dots: Tumble dry on medium heat
Square with circle + three dots: Tumble dry on high heat
Square with circle + X: Do not tumble dry
Square with horizontal line: Dry flat (lay the item flat to dry)
Square with vertical lines: Drip dry (hang to dry without wringing)
Square with curved line at top: Line dry / hang to dry

For most curtains: Tumble drying is not recommended. Hang to dry while slightly damp and rehang on the rod to allow gravity to smooth out creases.

Ironing Symbols

Ironing symbols are represented by an iron.

Iron with one dot: Low heat (up to 110°C) — synthetics, silk
Iron with two dots: Medium heat (up to 150°C) — wool, polyester blends
Iron with three dots: High heat (up to 200°C) — cotton, linen
Iron with X: Do not iron
Iron with steam lines + X: Do not steam iron (but dry ironing may be acceptable — check other symbols)

Dry Cleaning Symbols

Dry cleaning symbols are represented by a circle.

Plain circle: Dry clean
Circle with letter (A, F, P, W): Specific dry cleaning solvent required — your dry cleaner will understand these
Circle with X: Do not dry clean

If your curtain care label shows a circle without an X, always take it to a professional dry cleaner rather than attempting to clean it at home.

Bleaching Symbols

Bleaching symbols are represented by a triangle.

Plain triangle: Bleaching permitted
Triangle with two diagonal lines: Only non-chlorine (oxygen) bleach permitted
Triangle with X: Do not bleach

For curtains: Bleaching is almost never recommended. Even oxygen bleach can weaken fibres and affect colour over time. Avoid unless the label explicitly permits it.

Quick Reference: Most Common Curtain Care Labels

Fabric	Typical Care Instructions
Linen	30°C gentle wash, no tumble dry, high iron
Cotton	40°C wash, low tumble dry, medium-high iron
Velvet	Dry clean only, do not iron, steam only
Silk	Dry clean or hand wash cold, do not tumble dry, low iron with cloth
Polyester	30–40°C wash, low tumble dry, low iron
Sheer / Voile	30°C delicate wash, no tumble dry, cool iron or steam

When the Label Is Missing

If your curtain has no care label — or the label has faded — follow these safe defaults:

Hand wash in cold water with a mild detergent, or
Take to a professional dry cleaner and describe the fabric as best you can
Never use high heat on an unknown fabric
Test any cleaning method on a small, hidden area first

When in doubt, the most cautious approach is always the right one. A professional clean costs far less than replacing a damaged curtain.

Fabric Care Symbols Explained: A Complete Guide