Exodus 28:7-9

Amplified Bible

⁷ It is to have two shoulder pieces joined to its two [back and front] ends, so that it may be joined together. ⁸ And the skillfully woven sash, which is on the ephod shall be made of the same material: of gold, of blue, purple, and scarlet fabric and fine twisted linen. ⁹ You shall take two onyx stones and engrave on them the names of the [twelve] sons of Israel,