EXO 36:37

37 He made also in the entering of the tabernacle a curtain of jacinth, and purple, and red silk(twice-dyed), and bis folded again, by the work of embroidery. (And for the entrance to the Tabernacle they made a curtain out of jacinth, and purple, red silk twice-dyed, and finely woven linen, and embroidered it.)