Numbers 4:10-12

10They then are to wrap it and all its accessories in a cover of porpoise hide and place it all on a carrying frame.

11“Over the golden altar they are to spread a blue cloth and cover that with a covering of porpoise hide, then put its poles in place.

12“They are to take all the utensils used for the service of the ministry of the Sanctuary, wrap them in a blue cloth, cover them with porpoise hide, and place them on a carrying frame.