Scroll Mezuzah Kosher Certified by a qualified Sofer.

The Scroll is checked once by a computer scanner, and a second time by a second Sofer. as required by the Halacha. (Jewish Law)

Parchment is available in either place. (In this case you will have to roll yourself on the end by wrapping to the beginning so that we see the three letters of Yod Dalet Chin CHADAY once rolled parchment.)

Judaiculte.com you either wrap the book according to the rite, ready to be inserted directly into the case. (Recommend)

Choose the Ashkenazi rite, which you agree or Sephardic.