What kind of object have inertia?

CONCEPT:

We know that Newton First law: 

• If a body is at rest or moving at a constant speed in a straight line,
• This postulate is known as the law of inertia.
• Even in space objects have mass.
•  If they have mass, they have inertia
• ​That is an object in space resists changes in its state of motion.
• A force must be applied to set a stationary object in motion.
• It will remain at rest or keep moving in a straight line at constant speed unless it is acted upon by a force.

​EXPLANATION: 

•  Inertia is proportional to mass.
  • Big masses hard to changing their motion as compared to smaller masses.
  • Objects at rest remain at rest unless acted on by a net force and a large net force is required to change its speed or direction.
  • All the objects having mass have inertia.