Looks like:

Anywhere from a hall closet or half bathroom to a small bedroom depending on the storage unit size.

What will fit:

Small items, like bags, suitcases and boxes to the contents of a small-one bedroom apartment.

Looks like:

Dependent on the unit size, medium sized units look like an average bedroom to a one car garage.

What will fit:

Ranges from the contents of a one-bedroom apartment to the contents of a two-to-three bedroom house.

Looks like:

A one car garage to a two car garage depending on the unit size.

What will fit:

Ranges from the contents of a three-bedroom house to a four to five bedroom house with appliances.