Exodus 26:14-16

Young's Literal Translation

¹⁴ and thou hast made a covering for the tent, of rams' skins made red, and a covering of badgers' skins above.

¹⁵ `And thou hast made the boards for the tabernacle, of shittim wood, standing up;

¹⁶ ten cubits [is] the length of the board, and a cubit and a half the breadth of the one board;