What are the essentials of bailments?

Essentials of Bailments

1. There must be delivery of goods: Such delivery may be actual or constructive.
2. The delivery must be made for some specific purpose.
3. The delivery must be made on condition that the goods shall be returned in specific when the purpose is over, or disposed of according to the direction of the bailor.
4. Only possession but not the ownership of the goods is transferred.

Examples: Delivery of a radio for repair.