Numbers 4:6, 8, 11, 14
Numbers 4:6 ESV
Then they shall put on it a covering of goatskin and spread on top of that a cloth all of blue, and shall put in its poles.
Numbers 4:8 ESV
Then they shall spread over them a cloth of scarlet and cover the same with a covering of goatskin, and shall put in its poles.
Numbers 4:11 ESV
And over the golden altar they shall spread a cloth of blue and cover it with a covering of goatskin, and shall put in its poles.