New International Version
It was square--a span long and a span wide--and folded double.

American Standard Version
It was foursquare; they made the breastplate double: a span was the length thereof, and a span the breadth thereof, being double.

Berean Study Bible
It was square when folded over double, a span long and a span wide.

Douay-Rheims Bible
Foursquare, double, of the measure of a span.

English Revised Version
It was foursquare; they made the breastplate double: a span was the length thereof, and a span the breadth thereof, being double.

King James Bible
It was foursquare; they made the breastplate double: a span was the length thereof, and a span the breadth thereof, being doubled.

World English Bible
It was square. They made the breastplate double. Its length was a span, and its breadth a span, being double.

Young's Literal Translation
it hath been square; double they have made the breastplate, a span its length, and a span its breadth, doubled.

Exodus 39:9 Additional Translations ...