Exodus 26:2-4

Revised Standard Version

² The length of each curtain shall be twenty-eight cubits, and the breadth of each curtain four cubits; all the curtains shall have one measure. ³ Five curtains shall be coupled to one another; and the other five curtains shall be coupled to one another. ⁴ And you shall make loops of blue on the edge of the outmost curtain in the first set; and likewise you shall make loops on the edge of the outmost curtain in the second set.