The biohazard skull is based on a genuine human skull albeit a bit smaller.
It’s colored with a fairly bright yellow finish which is in keeping with the BioHazard theme.
Bang in the middle of the skull’s forehead is a BioHazard stamp.
A pretty cool environmental statement or a conversation piece on a desk/bookshelf.
Do not leave in the fridge if you have small children. It can cause mild mental trauma.