Mezuzah in Hebrew means "doorpost." The Mezuzah case holds a rolled parchment scroll inscribed with the Biblical passages Deuteronomy 6:4-9 and 11:13-21, beginning with the "Shema." This is to keep the commandment to affix the Word of God on the "doorposts of our houses."
4 inches tall. includes a copy of the Hebrew text to roll and place inside.