So that the rings on the bag may be fixed to the rings of the ephod by a blue cord and on to the band of the ephod, so that the bag may not come loose from the ephod.
And so Aaron will have the names of the children of Israel on the priest's bag over his heart whenever he goes into the holy place, to keep the memory of them before the Lord.
And the beautifully worked band, which goes on it, is to be of the same work and the same material, of gold and blue and purple and red and twisted linen-work.
Say to the children of Israel that through all their generations they are to put on the edges of their robes an ornament of twisted threads, and in every ornament a blue cord;