‏ Exodus 26:7

Exo 26:7-8

The outer tent-cloth, “for the tent over the dwelling,” was to consist of eleven lengths of goats’ hair, i.e., of cloth made of goats’ hair;
The coverings of the tents of the Bedouin Arabs are still made of cloth woven from black goats’ hair, which the women spin and weave (see Lynch's Expedition of the United States to the Jordan and Dead Sea).
each piece being thirty cubits long and four broad.
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