Sailor Iron Mouse is a young human woman has light skin, white hair, & silver eyes. Her mouth curves like a mouse's. She wears a black fedora, a black and grey striped suit top, red scarf, and purple shirt under her suit top, black pants, and black and white oxford shoes. She usually wears black sunglasses. She is extremely short, usually a foot shorter than typical civilians.

When she transforms into Sailor Iron Mouse, she wears an all-white mouse themed Sailor Animamate uniform.