All GHS labels have a red border in the shape of a diamond to make them distinct and unmissable. These labels, amongst others, are usually accompanied by other labels to make sure the handler is fully aware of what they’re handling.
GHS Irritant 20mm labels are a small label that go on the outside of whatever a person is despatching to highlight a warning to whomever is handling it. I mean,
Environmentally hazardous labels (marine pollutant label) lets whoever is shipping, transporting and receiving the goods know that they are dangerous to the environment.