Charles Ellicott Commentary Exodus 25:23

"And thou shalt make a table of acacia wood: two cubits [shall be] the length thereof, and a cubit the breadth thereof, and a cubit and a half the height thereof." — Exodus 25:23 (ASV)

Of shittim wood. See the last Note on Exodus 25:5. No other wood was to be employed, either for the sanctuary itself or for its furniture.