'Own Possession' in the Bible

Now therefore, if ye will obey my voice indeed, and keep my covenant, then ye shall be mine own possession from among all peoples: for all the earth is mine:

Then he said, “My Lord, if I have indeed found favor in Your sight, my Lord, please go with us. Even though this is a stiff-necked people, forgive our wrongdoing and sin, and accept us as Your own possession.”