Exodus 28:29-31

Lexham English Bible

²⁹ And Aaron will bear the names of the Israelites^[a] in the breast piece of judgment on his heart, when he comes to the sanctuary, for a remembrance before Yahweh continually. ³⁰ And you will put the Urim and the Thummim on the breast piece of judgment, and they will be on the heart of Aaron when he comes before Yahweh, and Aaron will bear the judgment of the Israelites^[b] on his heart before Yahweh continually.

³¹ “And you will make the robe of the ephod totally of blue yarn.