Exodus 39:35
the ark of the testimony with its poles and the mercy seat;
Exodus 25:17
Make a mercy seat
Hebrews 9:5
The cherubim of glory were above it overshadowing the mercy seat. It is not possible to speak about these things in detail right now.
Hebrews 9:8
The Holy Spirit was making it clear that the way into the most holy place had not yet been disclosed while the first tabernacle was still 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
Make a mercy seat of pure gold, 45 inches long and 27 inches wide.
Hebrews 9:5
The cherubim of glory were above it overshadowing the mercy seat. It is not possible to speak about these things in detail right now.