Heb 9:3-5

3Behind the second curtain was a tent called the Holy of Holies.4In it stood the golden altar of incense and the ark of the covenant overlaid on all sides with gold, in which there were a golden urn holding the manna, and Aaron's rod that budded, and the tablets of the covenant;5above it were the cherubim of glory overshadowing the mercy seat. Of these things we cannot speak now in detail.