Home Guide

Stop Ruining Your Clothes: Read the Symbols

Symbol Families5
Hottest Wash Symbol95°C / 203°F
Iron Heat Settings3
Dry Heat Settings3
Bleach Symbols3
Care Labels Required Since1972

Before my daughter left for her dorm, I sat on her bed and went through every tag in her laundry basket, because that comforter set was not cheap and I had zero interest in replacing it in October. Turns out most of us are guessing at these little pictures. They're not decoration. They're the manufacturer telling you exactly what will and won't survive, and once you know the five shapes, you never have to guess again.

01 · The basics

The five symbol families

Every care tag is built from the same five base shapes. Learn the shape, then learn what's added inside it, and the whole tag stops being a mystery.

Tub
Washing instructions
30-95°C
What it means: the number or dot count inside the tub is the maximum water temperature. A hand resting inside the tub means hand wash only, never a machine. A plain tub with a big X means don't wash it at all, it needs to go to the dry cleaner instead.
Triangle
Bleach instructions
3 versions
What it means: an empty triangle means any bleach is fine. Two diagonal lines inside it means non-chlorine, oxygen-based bleach only. A triangle with an X means no bleach, period, which is the one my daughter's dark jeans always have.
Square
Drying instructions
1-3 dots
What it means: a square with a circle inside is tumble dry, and dots inside that circle set the heat (one dot low, two medium, three high). A square with just a curved or straight line inside means skip the dryer and lay it flat or hang it to line dry instead.
Iron
Ironing instructions
110-200°C
What it means: dots set the heat ceiling: one dot for synthetics and silk around 110°C, two for wool blends around 150°C, three for cotton and linen up to 200°C. Lines underneath the iron mean no steam. An X means don't touch it with an iron at all.
Circle
Professional/dry clean
P, F, A
What it means: a plain circle means dry clean, and the letter inside (P, F, or A) tells the cleaner which solvent to use, that part's really for them, not you. A circle with an X means it can't be dry cleaned at all, and a circle with a line under it means a gentler dry clean cycle.
02 · Wash temps

How the dots translate to actual heat

Some tags use numbers, some use dots inside the wash tub. If yours only has dots, here's the practical range each one covers.

Cold, 1 dot

The safest default for anything with color, elastic, or a workout logo you'd like to keep readable.

Warm, 2 dots

Standard for everyday towels, sheets, and regular cottons that aren't especially bright or delicate.

Hot, 3 or more dots

Reserved for whites, heavily soiled loads, and anything the tag specifically says can take it, like some bedding and workwear.

03 · The routine

The order to actually read a tag

You don't need to memorize every symbol combination. You just need to check them in the right order before the item goes anywhere near water.

1
Find the label
Usually stitched into a side seam, collar, or waistband, not always where you'd expect.
2
Start with the tub
Temperature and hand-wash-only calls come first, since that decides which load it belongs in.
3
Check the rest before sorting
Bleach, dry, and iron symbols tell you whether it can even go in with your regular pile.
04 · Common mistakes

Where most of the damage happens

None of these are exotic mistakes. They're the ordinary shortcuts that quietly ruin a $60 sweater.

×
Treating the X as optional
An X isn't a suggestion, it's the manufacturer telling you exactly what will go wrong if you ignore it.
×
Washing wool on a normal cycle
Agitation plus warm water is exactly how a sweater shrinks two sizes in one load.
×
Cranking dryer heat to save time
A one-dot symbol means low heat only, high heat just speeds up the shrinking and fading.
×
Trusting the bottle over the tag
"Safe for colors" on a bleach bottle doesn't override a triangle with an X on the shirt.
×
Ironing without counting the dots
One dot is a completely different heat than three, and synthetics scorch fast.
One more thing

Worth keeping on hand

I keep coming back to this one myself whenever a new tag has a symbol I haven't seen in a while. Screenshot it, print it, or just bookmark the page. Whatever's easiest to grab next time you need it.

The five care symbol families and their meanings follow the ASTM D5489 standard used on U.S. garment labels, and permanent care labels have been required on most clothing since the FTC Care Labeling Rule took effect in 1972.