Parallel
Numbers 4:6
King James Version (1769 Blayney revision, with Apocrypha) · Berean Standard Bible
And shall put thereon the covering of badgers’ skins, and shall spread over it a cloth wholly of blue, and shall put in the staves thereof.
They are to place over this a covering of fine leather (note: Possibly the hides of large aquatic mammals; also in verses 8, 10, 11, 12, 14, and 25; see Exodus 25:5.), spread a solid blue cloth over it, and insert its poles.