Exodus 26:4

4 And thou shalt make loops of blue upon the edge of the one curtain from the selvedge in the coupling; and likewise shalt thou make in the edge of the curtain that is outmost in the second coupling.

Exodus 26:4 In-Context

2 The length of each curtain shall be eight and twenty cubits, and the breadth of each curtain four cubits: all the curtains shall have one measure.
3 Five curtains shall be coupled together one to another; and [the other] five curtains shall be coupled one to another.
4 And thou shalt make loops of blue upon the edge of the one curtain from the selvedge in the coupling; and likewise shalt thou make in the edge of the curtain that is outmost in the second coupling.
5 Fifty loops shalt thou make in the one curtain, and fifty loops shalt thou make in the edge of the curtain that is in the second coupling; the loops shall be opposite one to another.
6 And thou shalt make fifty clasps of gold, and couple the curtains one to another with the clasps: and the tabernacle shall be one [whole].
The American Standard Version is in the public domain.