Exodus 39:35

The ark of the testimony, and its poles, and the mercy seat,

Exodus 25:17

And you shall make a mercy seat of pure gold: two cubits and a half shall be the length of it, and a cubit and a half the breadth of it.

Hebrews 9:5

And over it the cherubim of glory shadowing the mercy seat; of which we cannot now speak particularly.

Hebrews 9:8

The Holy Spirit this signifying, that the way into the holiest of all was not yet made manifest, while the first tabernacle was yet standing:

Treasury of Scripture Knowledge

Summary

The ark of the testimony, and the staves thereof, and the mercy seat,

The mercy seat

Bible References

The mercy seat

Exodus 25:17
And you shall make a mercy seat of pure gold: two cubits and a half shall be the length of it, and a cubit and a half the breadth of it.
Hebrews 9:5
And over it the cherubim of glory shadowing the mercy seat; of which we cannot now speak particularly.