Exodus 25:8-10

Exodus 25:8-10 (KJV)
8 And let them make me a sanctuary; that I may dwell among them.
9 According to all that I shew thee, after the pattern of the tabernacle, and the pattern of all the instruments thereof, even so shall ye make it.
10 And they shall make an ark of shittim wood: two cubits and a half shall be the length thereof, and a cubit and a half the breadth thereof, and a cubit and a half the height thereof.

Exodus 25:21,22

Exodus 25:21,22 (KJV)
21 And thou shalt put the mercy seat above upon the ark; and in the ark thou shalt put the testimony that I shall give thee.
22 And there I will meet with thee, and I will commune with thee from above the mercy seat, from between the two cherubims which are upon the ark of the testimony, of all things which I will give thee in commandment unto the children of Israel.

Exodus 25:1,2

Exodus 25:1,2 (KJV)
1 And the Lord spake unto Moses, saying,
2 Speak unto the children of Israel, that they bring me an offering: of every man that giveth it willingly with his heart ye shall take my offering.

Building Of God’s Sanctuary: Part 1

The covering to the ark was also very specific in how it would be made and appear. On top of the ark was to be made “a mercy seat of pure gold” (Exodus 25:17)