Numbers 4:12

And they shall take all the vessels of the service that are used in the sanctuary and put them in a cloth of blue and cover them with a covering of goatskin and put them on the carrying frame .

“They are to take all the articles used for ministering in the sanctuary, wrap them in a blue cloth, cover that with the durable leather and put them on a carrying frame.

And they shall take all the instruments of ministry, wherewith they minister in the sanctuary, and put them in a cloth of blue, and cover them with a covering of badgers' skins, and shall put them on a bar :