Exodus 16:33-35 Modern English Version (MEV)
33 Moses said to Aaron, “Take a pot and put an omer full of manna in it, and place it before the Lord, to be kept for generations to come.”
34 As the Lord commanded Moses, so Aaron placed it before the testimony, to be kept. 35 The children of Israel ate manna forty years, until they came to an inhabited land. They ate the manna until they came to the border of the land of Canaan.