13 and the cubit on this side, and the cubit on that, in the superfluity in the length of the curtains of the tent, is spread out over the sides of the tabernacle, on this and on that, to cover it;

Matthew Henry's Commentary on Exodus 26:13

Commentary on Exodus 26:7-14

(Read Exodus 26:7-14)

The curtains of meaner materials, being made both longer and broader, covered the others, and were defended by coverings of skins. The whole represents the person and doctrine of Christ, and the church of true Christians, and all heavenly things, which outwardly are mean, but inwardly, and in the sight of God, are glorious and precious.