(one's) face fits phrase
Used to describe a person who has the necessary qualities for a specific role, task, organization, etc.
We all believe that his face fits as our leader.
If your face fits, you'll get the job.
Laura’s face fits as the main character in our action film.
Being perfectly suitable for one's interests or abilities
A product's feature that likely to make people want to buy it.
Used to describe someone who has great physical strength and endurance
1. (Said of clothing items) To fit perfectly.
2. To be suitable for someone.
If someone has a cast iron stomach, they have a strong stomach that can digest unusual food and even bad food without being ill.
Jimmy must have a cast-iron stomach, when he drank milk with lime juice and felt perfectly fine afterward.