Hebrews 9:5

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.

Exodus 25:17-22

25:17 “You are to make an atonement lid of pure gold; its length is to be three feet nine inches, and its width is to be two feet three inches. 25:18 You are to make two cherubim of gold; you are to make them of hammered metal on the two ends of the atonement lid. 25:19 Make one cherub on one end and one cherub on the other end; from the atonement lid you are to make the cherubim on the two ends. 25:20 The cherubim are to be spreading their wings upward, overshadowing the atonement lid with their wings, and the cherubim are to face each other, looking toward the atonement lid. 25:21 You are to put the atonement lid on top of the ark, and in the ark you are to put the testimony I am giving you. 25:22 I will meet with you there, and from above the atonement lid, from between the two cherubim that are over the ark of the testimony, I will speak with you about all that I will command you for the Israelites.

Leviticus 16:2

16:2 and the Lord said to Moses: “Tell Aaron your brother that he must not enter at any time into the holy place inside the veil-canopy in front of the atonement plate that is on the ark so that he may not die, for I will appear in the cloud over the atonement plate.

Leviticus 16:1

The Day of Atonement

16:1 The Lord spoke to Moses after the death of Aaron’s two sons when they approached the presence of the Lord and died,

Leviticus 1:11

1:11 and must slaughter it on the north side of the altar before the Lord, and the sons of Aaron, the priests, will splash its blood against the altar’s sides.