American Standard Version (ASV):
And they shall make an ark of acacia 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.
King James Version (KJV):
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.