The QR is optional. That is worth saying first, because a lot of sellers add one on reflex, point it at a homepage, and never think about it again. A code nobody scans twice is a square of artwork you gave away for nothing.
The decision is smaller than it sounds. Somebody opens a mailer, sees a numbered foil label on the holder, and points a phone at it. Where do they land? You pick that destination once per print run, and the five realistic answers are your shop, the live show, the specific listing, your seal record page, or a short landing page you control. They are good at different things, and one of them is a trap.
First, what a scan actually shows
A scan opens a page. That is the entire mechanism, and it is worth being blunt about the limits before spending a thousand words on destinations.
A scannable code shows what you logged and when. If it lands on a seal record, the page shows the design, the number and the date it was logged — it says nothing about the card. Nothing in the scan inspects the card, reads the holder, or knows what was inside the mailer. The page reflects your own records, entered by you, and its usefulness comes from the record being made at shipping time and carrying a date, not from anything the label or the code detects on its own.
So: a QR is a link. The only question is which link earns the space.
The five destinations
1. Your shop
Point the code at your storefront home and every package becomes a soft repeat-purchase nudge. It is the lowest-effort option, it never breaks, and it works the same on day one or eighteen months later.
The cost is context. A buyer holding a numbered seal scans it expecting something about this item and lands on a grid of everything you sell. Fine for a shop with a broad catalogue and returning customers; a wasted moment on a one-item sale.
Best for: shops with wide inventory and repeat buyers. The reasoning in the card shop counter branding guide applies to the code as much as to the seal.
2. The live show
Breakers and live sellers have the strongest case for a channel destination: your Whatnot or TikTok channel, or a show schedule page. The person scanning already bought from you once and is holding the result in their hand. "Here is when I am next live" is the highest-intent link on this list.
The cost is that a channel link goes stale in a specific way — not broken, just wrong-season. Seals printed for a summer run are still in the wild in February, and if you move platforms, every seal printed before the move points at a ghost.
Best for: breakers and Whatnot sellers running a regular schedule. The break stack guide covers the placement side of the same workflow.
3. The listing
A QR sticker link to the listing sounds like the obvious answer and is usually the trap. A buyer scans, lands on the exact item they already own, and the page says "this listing has ended." That is worse than no code, because a dead end reads as sloppiness rather than as nothing.
The narrow case where it works is repeatable inventory. If you sell the same repack series or the same shop-branded product month after month, the listing is a live product page and the scan is a reorder button. Point at the series, not at pack 413.
Best for: repack sellers and anyone selling a standing product. Item-level marketplace listings are the one destination here I would talk most people out of.
4. Your seal record page
The seal record is a page showing the design, the number and the date it was logged. It says nothing about the card. Read that twice, because it is both the appeal and the limit.
What it does well is close the loop on what the seal was already doing. The number is an index; the record is where the index lives. A buyer messages about MWB-0413 three weeks later, and the two of you are looking at the same dated entry rather than at two different memories. It helps document what was shipped, and used consistently across a run it helps deter swaps and return fraud — not through any action of its own, but by making "what went out" a written thing rather than an argument. Longer version: the return fraud page.
What it does not do is comment on the card. The record has no opinion about condition, grade, identity, or whether the item in the buyer's hand is the one you photographed. It is a log entry with a date on it.
Best for: anyone whose seals already carry sequential numbers. Your own log lives at my seals, and a single number can be looked up on the lookup page.
5. A landing page you control
The quiet best answer for most sellers: one short page on your own domain, and the code points there forever.
The advantage is that you can re-point the content without reprinting a single seal. Season one, the page is your show schedule. Season two, a series index. Season three, a handling note plus your return policy. A code on a seal printed eighteen months ago still lands somewhere current, because you edited the page instead of the sticker.
Keep it short: your name, one line about what the number on the seal is, a link to the shop, a link to your policy. Anything longer than a phone screen will not be read by someone standing over an open mailer.
Best for: nearly everyone, and anyone who suspects their platform mix will change.
Making the code actually scan
A QR code on packaging cards and holders has to survive being small. The standard label is 1.77 x 0.75 in, and the code shares that space with your artwork and the number.
- Keep the URL short. Fewer characters means fewer modules, means larger squares, means a phone that locks on in half a second instead of four. A short path on your own domain beats a marketplace URL trailing tracking parameters.
- Test through the plastic. Scan a finished seal where it will actually live — on a top loader face, on a one-touch, under the light you pack under. Holographic foil throws glare, and glare is what breaks scans.
- Give it room. The large seal at 2.5 x 1 in buys real estate for the code.
- Mind the layout. Folded, slab banner, toploader banner and Duo layouts change where the code sits relative to a fold or cut line. A code across a fold will not scan.
- Never point at a URL whose redirect you do not own. That is the whole argument for destination five.
What a seal will not do
A seal is a printed holographic foil label with adhesive. It can be peeled off and a replacement stuck down, so an intact seal on its own is not evidence of anything, and neither is a code that scans.
It says nothing about the card — not condition, not identity, not what was inside the holder when you sealed it. It carries no standing with any marketplace or grading company; no platform treats a scanned code as anything other than a link you made. It does not decide a return. If a case opens, the outcome runs through that marketplace's own buyer claim process, and what helps you there is your dated photo and your log, not the label.
All of that stays true and the seal is still worth printing — just for what it is.
What the code costs
Nothing extra in money. The QR is an option on the builder, not an upcharge; pricing runs off quantity and size only.
Standard seals are $6.00 per pack of 12, with a 60-seal minimum at $30.00 — 50 cents each — stepping down to 45 cents at 120, 40 cents at 600, 36 cents at 1,200, 33 cents at 2,400 and 30 cents at 4,200. Self-serve tops out at 10,008 seals; larger runs are quoted.
Large seals are $9.00 per pack of 12, 60 minimum at $45.00 — 75 cents each — then 10% off at 120, 20% at 600, 30% at 1,200 and 40% at 4,200, which lands at 45 cents each.
What the code does cost is space. On a standard seal, the QR takes area your logo would otherwise use. If your artwork is the point — and for most sellers it is — settle that trade before you commit a run to it.
Frequently asked questions
Can I change where the QR points after the seals are printed?
Only if you pointed it at something you control. A code printed on foil is fixed; the page it lands on is not. That is the whole case for sending scans to a short page on your own domain, rather than baking a marketplace URL into a thousand labels.
Should the code point at the seal record or my shop?
Point it at the record if the number does real work in your workflow — repacks, break hits, anything where a buyer might reference a specific number weeks later. Point it at the shop if your seals are mostly branding and the number is incidental. If you cannot decide, a landing page you control can link to both.
Do buyers actually scan these?
Some do, mostly on a first order and fewer after that. Treat the scan as a bonus rather than the reason to buy seals — the number on the label is legible without a phone, and the log entry behind it works whether anyone scans or not.
Does a QR code make the seal harder to remove?
No. It is printed artwork on the same label. Nothing about a code changes the adhesive, and the seal can still be peeled and replaced. If a listing of yours implies otherwise, rewrite the sentence.
What if I want the number but no code at all?
Then skip it. Numbering and the QR are separate options, and most sellers ordering a first run leave the code off. Placement by format is covered in where to put a seal on every card format, and the FAQ covers the ordering side.
Pick the destination before the artwork, because it changes how much room the artwork gets. Build a run — the standard size starts at 60 seals for $30.00, or use the large size if the code needs the room.
Serial Seal is an independent printer. Not affiliated with or certified by any third-party grading company. Nothing here is legal advice.