Make the Tabernacle with ten curtains of fine woven linen of blue, purple and scarlet, with cheruvim made by the work of  a skillful craftsman … Make a fine woven linen curtain of blue, purple and scarlet, with cheruvim…. The parokhet will divide  for you between the Holy Place and the Holy of Holies … Exodus 26:1,31,33 (TLV).

According to the plan Moses was shown on the Mountain, he was to assemble the Tabernacle [Mishkan, Dwelling]. This  plan included white linen [y’ree’ot] that formed the outer walls of the Mishkan as well as the curtain or veil [parokhet] a  thick curtain that divided the Holy Place from the Holy of Holies. The Talmud (Shekalim 8:5).says that the parokhet was a  hand’s breadth or about three to four inches thick, so no human could possibly see through it. It separated the Holy of Holies, into which the kohen gadol entered only on Yom Kippur in order to sprinkle the blood of atonement, from the Holy Place, where the other kohanim tended to the menorah, the table  of the presence and the altar of incense.

Read the full article here: Issue 32