וַיַּ֥עַשׂ כַּפֹּ֖רֶת זָהָ֣ב טָה֑וֹר אַמָּתַ֤יִם וָחֵ֙צִי֙ אָרְכָּ֔הּ וְאַמָּ֥ה וָחֵ֖צִי רָחְבָּֽהּ׃
And he made an ark-cover of pure gold: two cubits and a half was the length thereof, and a cubit and a half the breadth thereof.
Targum Jonathan on Exodus
And he made the MERCY SEAT of pure gold; two cubits and a half the length, and a cubit and half its breadth; but its thickness was a span.