Clothing Care Labels and Laundry Symbols Explained: What Every Symbol Means

Why the care label matters more than the detergent bottle

Every garment sold in most countries carries a care label, usually sewn into a side seam or the back of the neckline. It is the manufacturer’s instruction for that specific fabric, dye and construction, which means it is more reliable than general laundry habits. Following the label is the simplest way to prevent shrinkage, fading, stretching and damaged trims.

The labels use a small set of symbols rather than words, so they work in any language. Once you know the five basic shapes, you can read almost any label in seconds. This guide explains each symbol and what to do when a label is missing or confusing.

The five basic shapes

Laundry symbols are built from five shapes. Each one stands for a stage of care, and extra marks added to the shape change the instruction.

• •Wash tub: washing.
• •Triangle: bleaching.
• •Square: drying (including tumble drying).
• •Iron: ironing and pressing.
• •Circle: professional cleaning such as dry cleaning.

Washing symbols: tub, numbers, dots and bars

The tub tells you how to wash. A number inside the tub, such as 30 or 40, is the maximum water temperature in degrees Celsius. In some regions the temperature is shown as dots instead: one dot is cool (around 30°C or 86°F), two dots are warm (around 40°C or 105°F) and three dots are hot (around 50°C or 120°F), with more dots for higher temperatures that are rarely used on clothing.

Lines under the tub describe how gentle the machine action should be. No line means a normal cycle. One line means a reduced or permanent-press cycle, often used for synthetics. Two lines mean a very gentle or delicate cycle, which is common for wool, silk blends and fine knits. A hand inside the tub means hand wash only. A crossed tub means do not wash.

Bleaching symbols: the triangle

An empty triangle means any bleach may be used. A triangle with two diagonal lines means non-chlorine (oxygen) bleach only, which is gentler and safer for colors. A crossed triangle means do not bleach. As a rule, avoid chlorine bleach on anything except plain white cotton, and always dilute it as directed. On colored clothes, bleach can remove dye permanently.

Drying symbols: the square

A plain square describes drying. A circle inside the square means tumble drying is allowed. Dots inside the circle show the heat: one dot is low, two are medium and three are high. A filled circle means tumble dry with no heat, and a crossed circle means do not tumble dry.

Lines inside the square describe natural drying. A curved line at the top means line dry, three vertical lines mean drip dry, one horizontal line means dry flat and diagonal lines in the corner mean dry in the shade. Flat drying is typical for heavy knits and wool, which would stretch if hung wet.

Ironing symbols

The iron symbol uses dots for temperature. One dot means low heat (up to about 110°C), suitable for silk, nylon and acrylic. Two dots mean medium heat (up to about 150°C), suitable for polyester and wool. Three dots mean high heat (up to about 200°C), suitable for cotton and linen. A crossed iron means do not iron, and lines under the iron with a cross mean do not use steam.

If you are unsure, iron on the reverse side or place a thin cotton cloth between the iron and the fabric.

Professional cleaning symbols: the circle

An empty circle means the garment can be professionally dry cleaned. A letter inside, such as P or F, tells the cleaner which solvent to use. A crossed circle means do not dry clean. A W inside a circle refers to professional wet cleaning. You do not need to memorize the letters, because the cleaner will read them for you.

What if the label is missing or unreadable?

Check the fabric composition first. Cotton and linen tolerate a normal cool wash and moderate heat. Synthetic fibers like polyester and nylon prefer cooler water and lower heat. Wool, silk and delicate knits should be washed cool with a gentle detergent, or hand washed. When in doubt, wash cold on a gentle cycle and air dry flat or on a hanger in the shade, which is the safest approach for almost any garment.

You can also read our guides on washing cotton clothes and on why colors fade to understand the reasons behind these rules.

A simple rule for unclear labels

If you cannot read a label, treat the garment gently. Wash it cold on a gentle cycle, use a mild detergent and air dry it away from heat. This is safe for most fabrics and avoids the main causes of shrinkage and fading.

• •Check the fabric composition on the label.
• •Test unknown dyes on a hidden seam.
• •Keep delicate items away from heat.