Exodus 26:14-15And thou shalt make a covering for the tent of rams' skins dyed red, and a covering above of badgers' skins. And thou shalt make boards for the tabernacle of shittim wood standing up.
Exodus 26:26And thou shalt make bars of shittim wood; five for the boards of the one side of the tabernacle,
Exodus 36:20And he made boards for the tabernacle of shittim wood, standing up.