Shopping for a burial urn can get confusing fast—vaults, liners, companion urns, keepsakes, and more. This beginner-friendly guide breaks down common urn terms, what cemeteries typically require for ground burial, and budget-friendly container alternatives that still keep remains secure.
What “urns for burial” really means
Standing in front of a shelf of urns (or scrolling through pages of them) can feel strangely overwhelming. You may be trying to do something simple—choose a secure container for cremated remains—yet you’re suddenly learning a new language: vaults, liners, companion urns, keepsakes, “cultured marble,” “biodegradable,” “temporary container.” If you’re arranging a ground burial, the pressure can feel even heavier, because cemeteries sometimes have rules and timelines that don’t leave room for guesswork.
This guide is meant to translate the jargon into normal, everyday terms. We’ll walk through what a “burial urn” actually is, what cemeteries typically require for a ground burial urn, how to think about sizing, and what you can use instead if your budget is tight or you want something simpler. The goal is not to upsell you. The goal is to help you feel confident that what you choose is secure, respectful, and accepted where you plan to bury it.
What a burial urn is (and what it isn’t)
A burial urn is simply an urn intended to be placed in the ground. It doesn’t have to be ornate. It doesn’t have to be expensive. The difference is that it needs to hold up to the conditions of burial—soil pressure, moisture, time—and it needs to meet whatever the cemetery requires for interment.
Some families assume a “ground burial urn” is a completely separate category from a standard cremation urn. In reality, many cremation urns can be buried. The key question is whether the urn is durable enough on its own, or whether it needs an extra protective container—usually an urn vault or urn liner—to satisfy cemetery rules and prevent the ground from settling over time.
The first question to ask: does the cemetery require an urn vault or liner?
Here’s where most confusion starts. Cemeteries often use the word “vault,” and families hear it as “mandatory expensive add-on.” Sometimes it is required; sometimes it isn’t; and sometimes there’s flexibility depending on the section of the cemetery.
Think of an urn vault as a protective outer container that fully surrounds the urn (often with a base and a lid). It’s designed to support the ground above it and reduce sinking. An urn liner is similar in purpose but is often simpler and may not be sealed the same way. In many cemeteries, both are used to meet the same practical requirement: maintaining the integrity and appearance of the gravesite.
If you’re seeing the phrase “urn vault vs urn liner,” you’re not alone—people search it constantly because cemeteries don’t always explain the difference clearly. The easiest way to interpret it is this: both are outer containers; the vault is usually more protective and more expensive. The cemetery’s written rules matter more than the marketing terms.
Cemeteries aren’t trying to make your life harder. Their concern is long-term maintenance. Over years, soil can shift and settle. An outer container helps keep the surface level and reduces the risk of depressions that become tripping hazards or require constant repair. That’s why cemetery urn requirements often focus on whether a vault or liner is needed, rather than what the urn itself looks like.
Burial urn materials that tend to work best
When you’re shopping for burial urns, you’ll see nearly every material under the sun. The “best” material depends on whether it will be buried directly in the ground or placed inside an urn vault.
If the urn will be inside a vault or liner, you have more flexibility. Many materials can work because the outer container is doing most of the heavy lifting against soil and water exposure. If the urn will be buried directly, durability becomes much more important.
Common burial-suitable materials include metal (like brass or stainless steel), stone (like granite), and some high-quality polymers. Wood can be used for burial in some situations, but it’s typically better suited for indoor placement or burial inside a vault because wood can break down over time in moist soil. Biodegradable urns are also an option when cemetery rules allow them, but they’re usually chosen for “returning to the earth” intentions rather than long-term preservation.
The emotionally tricky part is this: families often want “forever.” But burial is, by nature, a long timeline in a changing environment. If what you want most is long-term protection, the combination of a sturdy urn plus an urn vault is often the most reliable path.
Urn size: the detail people forget until it’s stressful
Sizing is where urn terminology becomes oddly mathematical at the worst possible moment. Most adult urns are described in cubic inches. As a general rule, families are often told to plan on about one cubic inch per pound of body weight before cremation, with a little extra space as a cushion. That’s not a perfect formula for every case, but it’s a common starting point in the cremation urn glossary world.
If you’re burying cremated remains that will be divided among family members, that brings in another set of terms: keepsakes and companions.
Companion urn meaning and when it matters
A companion urn is designed to hold the cremated remains of two people. Sometimes it’s a single larger chamber; sometimes it’s two separate compartments within one urn. People often search “companion urn meaning” because they’re planning ahead for spouses or partners to share the same resting place. If you’re burying a companion urn, the cemetery will often need to confirm that the grave space and vault size can accommodate it.
Companion arrangements can be deeply comforting—one place, one marker, one home. But it helps to confirm cemetery policies early because a companion urn may require a specific vault size or a particular plot type.
Keepsake urn definition and why families choose them
A keepsake urn is a smaller urn meant to hold a portion of the remains. The keepsake urn definition is simple: it’s for sharing. Families choose keepsakes when siblings live far apart, when multiple children want something tangible, or when part of the remains will be buried while part will be kept at home or used in another memorial.
For burial planning, keepsakes matter because they can change the decision. Sometimes the family chooses to bury the majority of remains in the cemetery while keeping a smaller keepsake for home. Other times the opposite happens: one keepsake is buried in a family plot, while the main urn stays with the surviving spouse until a later burial.
Cremation urn glossary terms you’ll see while shopping
If you’ve ever searched “cremation urn glossary,” you’re probably trying to decode product descriptions that sound like they were written for industry insiders. A “temporary container” is the basic container crematories often provide; it’s usually plastic or cardboard and meant for short-term use. “Cultured marble” is a manufactured stone-like material that can look elegant and is often used for urns that will be placed in a niche or buried in a vault.
“Scattering urns” are designed for easy pouring, not necessarily for burial durability. “Biodegradable urns” are intended to break down naturally, so they may not be appropriate if your cemetery requires a sealed vault or long-term stability. If you’re buying a ground burial urn, try to keep your focus on the end point. Where will it rest, and what conditions will it face?
What can be used as an urn if you don’t want to buy a traditional one?
This is one of the most practical questions families ask: what can be used as an urn that’s still respectful and secure? In many cases, you can use a sturdy, sealable container as long as it’s appropriate for the cemetery and it holds the remains safely.
Some families choose a simple metal or high-density plastic container designed for storage. Others use a well-crafted wooden box with a tight-fitting lid, particularly when the urn will be placed inside a vault. There are also budget-friendly basic urns that aren’t decorative but are made specifically to be secure, transportable, and suitable for burial with the right outer protection.
If cost is the driving factor, it can help to separate what you need from what you’re being shown. You need a container that closes securely, fits the remains, and meets the cemetery’s requirements. Anything beyond that—engraving, premium materials, artistic design—is optional. Meaning doesn’t come from price; it comes from intention.
How to choose a burial urn when emotions are running high
Choosing an urn can bring up unexpected feelings. Some people want something beautiful because it feels like love made visible. Others want something simple because it feels honest. Some want a traditional look; others want something that reflects a personality.
Practically, the best way to make a calm decision is to anchor yourself to three questions. First, will the urn be buried directly or placed inside an urn vault or liner? That determines how durable it needs to be. Second, what size do you need, and are you dividing the remains? That determines whether you need a standard urn, a companion urn, or keepsakes. Third, what does the cemetery require? That determines whether your choice will be accepted without last-minute surprises.
Once those are answered, you can choose style, material, and personalization with a steadier heart.
Buying tips that can save money and stress
People often search “buy burial urn” or “shop cremation urns” because they feel like they’re supposed to choose quickly. But you’re allowed to slow down enough to avoid paying for the wrong thing.
If a cemetery requires an urn vault, ask whether you can provide your own vault or whether you must purchase through them. Policies vary widely. Ask what dimensions the vault must be and whether the cemetery has a preferred vendor list. If you’re buying the urn separately, confirm the maximum urn size that fits the vault option you’re choosing.
If you’re buying online, look for clear interior capacity (cubic inches), clear exterior dimensions, and a straightforward description of the closure method. A secure threaded lid is different from a lift-off lid, and that matters when the urn will be transported, buried, or placed in a vault.
A gentle note on “right” choices
In grief, the brain wants certainty. It wants a “correct” urn, a “correct” decision, a way to protect the person you love from anything that feels careless. But the truth is that many choices are right. A simple urn can be right. A beautiful urn can be right. A companion urn can be right. Keepsakes can be right. Even choosing a practical container because that’s what your budget allows can be right—because care is not measured by cost.
If you remember one thing, let it be this: the best burial urn is the one that keeps the remains secure, meets the cemetery’s rules, and feels like an honest expression of your love.