A service is any intangible offering that involves a deed, performance, or effort that:
cannot be physically possessed.
is high-priced.
is supported solely through advertising.
can be transformed into a physical product.
offers benefits but not costs.

(A)cannot be physically possessed

Explanation:

A service is any intangible offering that involves a deed, performance, or effort that cannot be physically possessed.

A service is a transaction in which no physical good is transferred to the buyer.

Some of the major properties of Services are:

Examples of services are Education, Consultancy, Repair and maintenance services, Electricians, Plumbing , Law enforcement (provides the service of identifying and apprehending criminals)  etc.