Fragrance fulfillment
Discovery Set, Sample Set & Rollerball Fulfillment
Updated October 2026
A discovery set is a handful of tiny vials, and each one has to be the right scent, sealed tight and shipped legally. An alcohol-based mini is still a flammable liquid, however small the vial.
Discovery set and rollerball fulfillment means kitting, packing and shipping by ground the smallest formats a fragrance brand sells:
- discovery sets and samplers
- sample and decant sets
- rollerballs
- travel minis
We build each set to your parts list, scan what goes in and pack the tiny units against leaks. An alcohol-based mini is a Class 3 flammable liquid (UN1266), just like a full bottle.
By The Fulfillment.com team
Why minis are different
Why a mini is harder to ship than a full bottle
Brands send out discovery sets so a customer can wear a scent before buying the full bottle. A row of minis, a trio of decants or a try-before-you-buy sampler costs the customer little, yet the full-size sale rides on it. For a low-price SKU, it carries a lot of the full-size sale. It is also the easiest to get wrong, because two common assumptions about minis are both false. A tiny vial is no easier to ship. And a tiny vial of alcohol-based perfume is still regulated.
Small format makes leaks and miscounts more likely. Snap-top samples and rollerball caps loosen in transit, and vials that look alike get picked in place of each other. One mini that seeps can ruin every other unit in the box. Size doesn't change the chemistry either: an alcohol-based 2 mL spray is the same Class 3 flammable liquid as a 100 mL flacon.
How we handle them
How a small-format fragrance set moves through our warehouse
These are the five main parts of the work. Rates and performance figures for your sets come with your quote.
1. Classifying each SKU from its safety data sheet
A sampler is rarely one chemistry. Alcohol-based eau de parfum vials can sit beside alcohol-free oil rollerballs, and the two ship differently. We check the safety data sheet (SDS) for each mini when it arrives, rather than treating the set as one product. Alcohol-based minis are flagged as a Class 3 flammable liquid (UN1266, typically Packing Group II) and marked to ship by ground as limited quantities. Oils that are truly alcohol-free, with no flammable solvent, ship normally. That classification is the records step we own. Carrier hazmat handling for your particular formulations is something to confirm with us when you request a quote.
2. Building the set from your parts list
Each vial goes in its own slot, along with any scent card, code card or branded sleeve you ask for. Our team scans the contents against the set's parts list as they pack, so a missing or wrong piece can be found before the box is sealed. Samplers share a footprint and differ only by label, so the scan does the checking, not a hand count. We put finished, sealed vials into the set and never fill, decant or blend the fragrance.
3. Packing tiny units against leaks
Under vibration, dab vials, snap-top samples and rollerball caps work loose. We fit each set into a rigid, right-sized insert so the vials don't rattle, and add a leak barrier built to keep a vial that seeps from reaching its neighbors or the box. For more on how glass is packed against leaks, see our guide to fragile-glass, leak-resistant pack-out.
4. Ground shipping for alcohol-based minis
The DOT limited-quantity rules ask an alcohol-based set's packaging to stay inside per-bottle and per-box limits, and minis clear both by a wide margin. A box that does needs no hazmat labels, placards or specially tested packaging, and it carries the square-on-point limited-quantity mark rather than the retired ORM-D one. Ground is the lane. Under that exception, alcohol-based fragrance can't fly or leave the country.
Handing a regulated parcel to a carrier takes a carrier hazmat agreement, staff trained for the job and separate storage for flammables. Those are the things to confirm for your catalog when you ask any warehouse for a quote, us included. Our guide on how to ship perfume legally sets out the full DOT rules.
5. Storage and lot records behind each set
A mini holds concentrated scent in a thin-walled vial, so heat and light change it faster than they change a full bottle. Keeping them shaded and away from swings in heat matters more than it does for full bottles. The sample is what the customer judges the brand on, and it should smell the way it was meant to. We record the batch or lot of each delivery at receiving and tie it to the orders it ships in. If a supplier flags a bad lot, that one batch can be pulled as a targeted recall instead of a guess across every sampler in the building.
Common mistakes
Two ways small-format programs go wrong
Both come from treating a mini as a smaller bottle rather than a SKU of its own.
- Assuming a mini is too small to regulate. An alcohol-based vial is a flammable liquid at any volume. A warehouse that stops treating small sets as regulated risks having the carrier turn the load back, and samplers are often what a brand ships most. We send the alcohol-based ones by ground as limited quantities.
- Building sets by hand count. Sampler vials differ only by the label, which is easy to miss when counting by hand. Our scanned kitting and assembly builds each set from its parts list and checks what's inside before it ships. Our value-added services add the inserts, scent cards and branded sleeves that turn a row of vials into a sampling program.
Questions for any warehouse
What to ask a warehouse about your samplers
We are a 3PL, not a manufacturer, blender or filler, so we don't compound, fill, decant or bottle fragrance. Your vials and rollerballs reach us sealed, and when we kit, we put those finished units in a box. Our work is building the set, classifying it, packing it against leaks and shipping it the right way. Whoever you talk to about samplers, ask them:
- how each SKU is classified from its safety data sheet
- how a set's contents are scan-checked at pack
- how tiny units are held still so they don't leak
- how alcohol-based minis are shipped by ground as limited quantities
The answers tell you whether a sampler is likely to arrive as a good first impression or come back as a leaked, miscounted refund. The rates for your sets, volume and channels come back on a quote.
Discovery set & rollerball fulfillment FAQs
What is discovery set and rollerball fulfillment?
It is the kitting, leak-resistant packing and ground shipping of small-format fragrance, from discovery and decant sets to rollerballs and travel minis. Each set is built to your parts list and its contents are scanned as it's packed. Every mini is classified from its safety data sheet, since an alcohol-based mini is a Class 3 flammable liquid however small the vial.
Are small alcohol-based minis still regulated as hazmat?
Yes. Size doesn't change the chemistry. A 2 mL alcohol-based perfume vial is the same Class 3 flammable liquid (UN1266, typically Packing Group II) as a full bottle. Within the US it ships by ground as a DOT limited quantity under 49 CFR 173.150. A small format gives you room to spare, not an exemption. The Packing Group II cap on each inner container is 1.0 L, and Special Provision 149 raises it to 5 L for UN1266, so a vial sits far inside it. The whole kit also stays well under the 30 kg (66 lb) gross limit, which means the package meets the rules with plenty of margin.
Are rollerball and oil-based samples non-regulated?
Some are. It depends on the safety data sheet rather than the format. Perfume oils and roll-ons with no flammable solvent are generally not regulated and ship normally. Fill the same rollerball with an alcohol-based blend and it becomes a Class 3 limited quantity. We check every mini's safety data sheet when it arrives, so a sampler that mixes alcohol-based and oil-based minis is sorted unit by unit instead of being treated as one product.
How do you keep tiny vials and rollerballs from leaking?
Small vials leak more readily than full bottles. Dab vials, snap tops and rollerball caps loosen in transit, and one leaking mini spoils everything else in the sampler. Each set gets a rigid, right-sized insert that holds the units still, and a leak barrier is built to keep a seeping vial from reaching the others or the box. Our guide to fragile-glass, leak-resistant pack-out goes further into how the packing works.
Can you build custom discovery and decant sets to a spec?
Yes. We put the right minis in the right slots, with any insert, scent card or branded sleeve you ask for. A discovery set is assembled, not picked as one item. Each set is built to your parts list and scanned against it as it's packed, so a missing or mismatched mini can be found before the box is sealed. A customer reads a missing 2 mL vial as a defective sampler, which is why the contents are checked by scan at pack instead of trusted to a hand count.
Do small minis still carry the limited-quantity mark, not ORM-D?
For an alcohol-based set, yes. ORM-D, the old 'Consumer Commodity' mark, stopped being valid effective January 1, 2021. The same small quantities still get the limited-quantity exception, and a conforming ground package now carries the square-on-point limited-quantity mark under 49 CFR 172.315. A sampler still shipping under ORM-D is out of date, even with only a few milliliters in each vial.
Tell us about your discovery sets
Send us your sets, the minis in them and how they sell, and we'll show you how each SKU would be classified, built and packed. The quote is free, and asking for it doesn't commit you to anything.