They shall take down For upon this necessary occasion the inferior priests were allowed to come into the holy of holies, which otherwise was peculiar to the high-priest. The covering veil The second veil, wherewith the ark was covered while the tabernacle stood, Exodus 40:3. Cover the ark Because the Levites, who were to carry the ark, might neither see, nor immediately touch it. Badgers' skins Whereby the ark was secured from the injuries of the weather.
Related Commentaries of Numbers 4:5
Numbers 4:5-6
5 And when the camp setteth forward, Aaron shall come, and his sons, and they shall take down the covering vail, and cover the ark of testimony with it:
6 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.