These symbols all relate to bleach usage. An empty triangle signifies that the item can be bleached. A triangle with a cross through it means don't bleach this item, reports the Express.

As it turns out, these symbols all relate to bleach. An empty triangle means the item can be bleached. A triangle with a ...

The white triangle on clothes labels can take four ... However, a few materials don't work well with pressure or heat, so an iron symbol with a cross-through means you shouldn't iron these items.