Hebrews 9:3-5
9:3 And after the second curtain there was a tent called the holy of holies.
9:4 It contained the golden altar of incense and the ark of the covenant covered entirely with gold. In this ark were the golden urn containing the manna, Aaron’s rod that budded, and the stone tablets of the covenant.
9:5 And above the ark were the cherubim of glory overshadowing the mercy seat. Now is not the time to speak of these things in detail.