Buying a Mezuzah: Kosher Scrolls, Case Sizes & Questions to Ask
You have the keys to a new home, a list of things still to unpack, and one purchase you want to get right: the mezuzos. Or perhaps you already have a scroll and simply want a nicer case. Those are different shopping trips.
Start with the kosher scroll, confirm its size, and then choose a protective case that fits. A beautiful case can enhance the mitzvah, but it cannot replace the handwritten parchment inside. This guide helps you ask useful questions before buying; your rav or qualified sofer should resolve the halachic details of your home.
The scroll and the case: what are you actually buying?
As Chabad explains, the mezuzah is a parchment scroll bearing the first two sections of Shema, handwritten by a trained scribe. The familiar decorative object on the doorpost is its case. An empty case or a printed reproduction does not fulfill the mitzvah.
That distinction matters when reading a product listing. A photograph of an elegant case tells you about its appearance; it does not establish that a kosher scroll comes with it. Look for an explicit statement about what is included. If you cannot find one, ask before ordering.
- Buying for a new doorway: plan for a suitable kosher scroll and a compatible case.
- Replacing a case: find out the existing scroll's size and discuss its condition with a sofer.
- Choosing a gift: coordinate with the recipient before deciding whether to give a case, a scroll, or both.
What should you ask about a kosher mezuzah scroll?
Chabad's scroll-and-case guide emphasizes buying from a trustworthy, knowledgeable source and taking your community's writing tradition into account. The important work is not all visible in a photograph.
The Orthodox Union's July 2026 explanation of mezuzah oversight makes a related point: even apparently correct lettering cannot establish every requirement of the writing process. Its own oversight program includes identified scribes, independent inspections, materials checks and documentation. This is a useful example of meaningful provenance, not a claim that every kosher scroll must carry OU endorsement or that Judaica Square's merchandise has it.
Before paying, ask:
- Who wrote this scroll, and what information is available about the sofer?
- Who checked it, and what checking or supervision documentation accompanies it?
- Which writing tradition does it follow, and is that appropriate for our household?
- What is its actual size, and which case will accommodate it?
- Who should we contact about fitting, installation questions and future checking?
A product's price, attractive handwriting or the word “premium” is not a substitute for those answers. If the terminology is unfamiliar, take the seller's information to your rav rather than trying to judge the scroll yourself.
Case size: compare the fit, not just the outside measurement
Imagine ordering a case because its listed height seems bigger than your scroll. The order arrives, but the internal space is smaller than expected. Avoid that uncertainty by asking what scroll size the case is designed to hold.
Judaica Square's City of Jerusalem Blue Enamel Mezuzah case provides a useful example. Its catalog description lists a 3.5-inch case height and says it fits a 3.0-inch parchment scroll. It also explicitly states that the scroll is not included. Those are separate pieces of information; the outside height is not the stated scroll capacity.
If a listing only gives “10 cm” or “12 cm,” ask what that measurement describes. Do not assume that every seller uses the same convention. Tell the seller the scroll size your sofer supplied and ask for an explicit compatibility confirmation. Do not squeeze, trim or reshape a scroll to make a preferred case work.
Two real cases, two different size decisions
If you prefer a quieter, modern look, the Waterdale Classic Mezuzah Case offers a useful contrast to the smaller Jerusalem design. The listing has separate 5-inch and 6-inch size choices and Classic Gold or Classic Silver color choices. Waterdale's own product description identifies the matching scroll sizes and states that the scroll is not included.
- For a compact, decorative look: the City of Jerusalem example specifies a 3-inch scroll capacity. Its 3.5-inch outside height does not make it a case for a 3.5-inch scroll.
- For a simple modern look: the Waterdale Classic listing offers 5-inch and 6-inch choices. Confirm which selected option matches your scroll; these are not two capacities to assume for one case.
- For either choice: establish fit before choosing the finish. A design preference should not lead you to force an existing scroll into the wrong case.
These are case-shopping examples, not a recommendation to choose a scroll by size alone. The scroll's source, writing tradition and checking remain the first questions. Neither a clear appearance nor an included mounting accessory establishes suitability for every room, surface or outdoor location.
A message to send before you order
Try: “Our sofer says our scroll is ___ cm/inches. We are considering the ___ case in the ___ size for an indoor/outdoor doorway. Can you confirm that this exact option accommodates it, whether the scroll is sold separately, and whether the case is intended for that location?”
Keep the reply with the order details. If the scroll size is supplied in centimeters but the listing uses inches, give the seller the original measurement rather than rounding to whichever option looks closest. For a gift, get the recipient's confirmed size before placing the order.
Choose the case for the doorway as well as the décor
Browse mezuzah cases with two questions in mind: does this suit the room, and is it suitable for the conditions at the doorway?
An interior doorway
For a calm, understated room, a simpler design may be the easiest visual choice. For an entrance you want to highlight, an architectural or decorative design may feel more fitting. These are design preferences, so there is no need to call one material universally “best.” First establish fit and appropriate use, then choose the look you enjoy.
A doorway exposed to weather
Do not infer outdoor suitability from the material alone. Ask the manufacturer or seller whether the exact case is intended for that location, how it closes, and what protection it provides. Chabad notes that outdoor mezuzos warrant more frequent attention because of weather exposure. Discuss protection of the parchment with a sofer rather than improvising a seal or wrapping method.
A transparent case
A clear case introduces questions beyond appearance. Chabad's scroll-and-case guidance identifies privacy and room-use concerns, including bedrooms and places where diapers are changed. Tell your rav where the case will go and ask what covering is appropriate there.
Before installation: make a doorway list
A mezuzah is not only for the front entrance. Chabad's installation guide explains that qualifying internal entrances can also need mezuzos, including some doorways without an actual door. Bathrooms are excluded. The details of room size, doorway construction and use require care.
For a new home, make a simple list of entrances and take photographs of anything unusual. Ask your rav to confirm which need mezuzos, where they belong, when they must be installed, and where a berachah applies. An archway, connected rooms or an unusual entrance deserves its own answer.
Do not copy another household's placement without checking. Follow your community's minhag and your rav's direction for orientation and installation. A shopping guide is useful preparation for that conversation, not a substitute for it.
Caring for what is inside
Chabad's care guidance calls for mezuzos to be checked by a sofer twice in seven years, with more frequent attention for exposed outdoor locations. It also warns against liquid cleaners that could seep into the case and harm the parchment.
Keep the purchase details and last checking date together. When arranging a check, ask the sofer about handling, returning each scroll to its doorway, and any question about the berachah when reinstalling. If a case has admitted moisture or the scroll's condition is uncertain, contact the sofer rather than treating an ordinary checking interval as a reason to wait.
Giving a mezuzah as a wedding or housewarming gift
A well-chosen gift begins with a short conversation: “Do you already have your scrolls, and is there a particular doorway you are choosing a case for?” That question can prevent a mismatch without spoiling the gesture.
If the couple has arranged their scrolls with a sofer, you can choose a case around the confirmed size and their taste. If they still need scrolls, coordinate the source and household preferences first. Label a case-only gift clearly so the recipients know what still needs arranging. Our Jewish wedding gift guide offers other ideas when a different gift would be more useful.
Your before-you-order checklist
- We know whether we are buying a scroll, a case, or both.
- We have reliable information about the scroll's source and checking.
- Our household's writing tradition has been confirmed.
- The case's stated scroll capacity matches what we need.
- Suitability for the intended doorway has been checked.
- Our rav or sofer will resolve installation and ongoing care questions.
Then enjoy choosing the case. The design should feel at home on your doorpost, with the important questions about the scroll already answered.