Numbers 4:6

4:6 Then they must put over it a covering of fine leather and spread over that a cloth entirely of blue, and then they must insert its poles.

Numbers 4:8

4:8 They must spread over them a scarlet cloth, and cover the same with a covering of fine leather; and they must insert its poles.

Numbers 4:11-12

4:11 “They must spread a blue cloth on the gold altar, and cover it with a covering of fine leather; and they must insert its poles. 4:12 Then they must take all the utensils of the service, with which they serve in the sanctuary, put them in a blue cloth, cover them with a covering of fine leather, and put them on a carrying beam.

Numbers 4:25

4:25 They must carry the curtains for the tabernacle and the tent of meeting with its covering, the covering of fine leather that is over it, the curtains for the entrance of the tent of meeting,