1 Kings 6:22

He prepared an inner sanctuary in the middle of the house within, to set the ark of the LORD’s covenant there.

Within the inner sanctuary was twenty cubits in length, and twenty cubits in width, and twenty cubits in its height. He overlaid it with pure gold. He covered the altar with cedar.

So Solomon overlaid the house within with pure gold. He drew chains of gold across before the inner sanctuary, and he overlaid it with gold.

In the inner sanctuary he made two cherubim of olive wood, each ten cubits high.

Five cubits was the length of one wing of the cherub, and five cubits was the length of the other wing of the cherub. From the tip of one wing to the tip of the other was ten cubits.

The other cherub was ten cubits. Both the cherubim were of one measure and one form.