The length of each curtain shall be thirty cubits, and the width of each curtain four cubits; and the eleven curtains shall all have the same measurements.
Exodus 26:8
Surrounding context
26:7 "You shall also make curtains of goats' hair, to be a tent over the tabernacle. You shall make eleven curtains.
26:8 The length of each curtain shall be thirty cubits, and the width of each curtain four cubits; and the eleven curtains shall all have the same measurements.
26:9 And you shall couple five curtains by themselves and six curtains by themselves, and you shall double over the sixth curtain at the forefront of the tent.