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 4:10-11

4:10 Then they must put it with all its utensils in a covering of fine leather, and put it on a carrying beam.

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.

Numbers 16:39

16:39 So Eleazar the priest took the bronze censers presented by those who had been burned up, and they were hammered out as a covering for the altar.