Exodus 28:6
The craftsmen are to make the ephod of finely spun linen embroidered with gold, and with blue, purple, and scarlet yarn.

Exodus 28:8
The skillfully woven waistband of the ephod must be of one piece, of the same workmanship--with gold, with blue, purple, and scarlet yarn, and with finely spun linen.

Exodus 28:25
and attach the other ends of the two chains to the two filigree settings, fastening them to the ephod's shoulder pieces in the front.

Exodus 39:18
and they fastened the other ends of the two chains to the two filigree settings, attaching them to the shoulder pieces of the ephod at the front.