Key takeaways.
- Mixed containers are the natural format of stock-lot trade: clearance buyers rarely need a full container from one supplier, so they consolidate 2–5 suppliers into one load.
- The FCL/LCL crossover sits around half a container: from roughly 14–15 CBM up, one mixed FCL typically beats several LCL parcels, because per-shipment fees repeat for every LCL consignment.
- Loading order is fixed by physics: heavy and dense goods on the floor, medium in the middle, light and crushable last and highest — fragile cartons never beneath heavy ones.
- One container, one consolidator, one master B/L — but separate packing lists per supplier so customs, claims and valuations stay attributable per seller.
- Moisture is the silent killer of stock lots: dry-goods checks at loading, dunnage, container desiccants and a sensible mix of goods prevent most 'container rain' damage claims.
1. Why stock-lot trade runs on mixed containers
First-run trade ships in clean, single-SKU containers. Stock-lot trade rarely does. Clearance buyers assemble assortments — apparel from one supplier, household goods from another, toys or tools from a third — because the economics of surplus buying reward breadth:
- Stock lots appear irregularly. A buyer waiting to fill a container from a single seller waits for a surplus that may never reach full volume; consolidating lets each small lot ship on its schedule.
- Assortments resell faster. Discount-channel buyers — market traders, discount retailers, online liquidation sellers — want variety per pallet, not one SKU per container.
- Freight economics favour one load. Every LCL shipment repeats the per-shipment costs (origin documentation, customs entries, destination handling, delivery). One mixed FCL pays them once.
For buyers this means container-planning skill — what to put where, and whose paperwork covers what — is worth real money, often USD hundreds to thousands per shipment.
2. FCL vs LCL: the crossover math
Indicative container figures and freight logic — actual rates move with the market and lanes, so treat these as planning ranges, not quotations.
| Container | Usable volume (indicative) | Typical payload cap | Notes for stock-lot buyers |
|---|
| 20ft GP | ~28 CBM usable in practice | ~28 t (varies by lane) | Best for dense cargo: ceramics, tools, footwear cartons |
| 40ft GP | ~58 CBM usable in practice | ~26–28 t | Good all-round choice for mixed assortments |
| 40ft HC | ~68 CBM usable in practice | ~26–28 t | Best for light, bulky cargo: apparel, plush, household plastics |
| LCL parcel | any part volume | — | Priced per CBM, typically USD 20–60/CBM on major lanes, plus per-shipment fees |
Volume figures are practical loading targets, not container internal dimensions. LCL rates vary widely by lane and season and are indicative only.
The practical rule: below roughly half a container, ship LCL; from around 14–15 CBM up, consolidate into one FCL. Between those points, price both — the winner flips by lane, because LCL's repeated per-shipment fees weigh more on some routes than others. One caution: cargo that is heavy per CBM (ceramics, tools) may hit the container's weight cap before filling its volume, in which case the crossover arrives earlier than the CBM math suggests.
3. Loading order: heavy, medium, light — and the door rule
Mixed-container damage is almost always a stacking-order problem. The sequence that works:
- Floor layer — heavy and dense: ceramics, glassware, canned or bottled goods, tools, machinery, footwear cartons. Distribute weight evenly front to rear and side to side so the container stays axle-legal and the floor points bear load, not single cartons.
- Middle layers — medium goods: boxed housewares, small appliances, bag cartons, stationery. Build flat, stable tiers; use slip sheets or cardboard between unlike cartons.
- Top layer — light and crushable: apparel, plush toys, pillows, sponges, empty plastic ware. They ride highest and double as cushioning.
- The door rule: fragile cartons never sit against the container door — door-side cargo absorbs every handling impact. Leave the last metre for light soft goods or dunnage.
Two cross-category rules complete the picture: fragile never beneath heavy (obvious, still violated weekly), and odour-sensitive goods never beside odorous ones — food-contact goods and strong-smelling rubber or plastic products should not share carton contact.
4. Moisture, packing and insurance
A container crossing an ocean breathes with temperature swings; condensation — 'container rain' — forms on the ceiling and drips onto top-layer cartons. For stock lots, which are often stored longer before reselling, moisture damage compounds. Standard protections:
- Load dry. Reject damp, stained or mould-marked cartons at the warehouse; a wet carton loaded today is a claim in six weeks.
- Keep cartons off steel. Pallets, slip sheets or dunnage bags separate cargo from the floor; air between cargo and walls slows wicking.
- Desiccants. Container desiccant strips or bags, typically several kilograms per 40ft load for a multi-week voyage, absorb the daily condensation cycle.
- Mix goods sensibly. Paper goods and moisture-sensitive packaging should not ride beside freshly kiln-dried wood or damp-prone ceramics; when they must share a container, separate tiers and plastic liners.
- Insure the consolidated value. Marine cargo insurance for containerized goods is commonly available at roughly 0.1–0.3% of CIF value; for multi-supplier stock lots it is usually worth it, because one damaged tier can span three sellers' goods.
5. Documents and customs for a multi-supplier container
The document pattern that keeps a mixed container clean at both ends:
- One consolidator, one master bill of lading. The freight forwarder books the container as one FCL and issues the master B/L to the buyer; each supplier ships ex-works or FOB to the consolidation warehouse.
- Separate commercial invoice and packing list per supplier. Cartons are marked per supplier (e.g. "SUPPLIER A / CTN 1–120"), and each supplier's packing list maps its carton range to its contents. Destination customs can then match every carton to a declared value.
- Origin and compliance documents follow the goods. Certificates of origin, test reports and product-specific compliance papers (food-contact, electrical, toy-safety) belong to each supplier's goods — collect them before loading, not after arrival.
- Declared values stay honest per supplier. Mixed containers invite "one low value for everything" shortcuts; customs authorities compare per-line values, and a flattened invoice is the fastest way to lose both cargo and money.
Liability stays with each seller for its own goods: consolidation never merges responsibility. That is the paperwork's real job — making it possible to attribute any problem, from a smashed tier to a customs query, to the right cartons and the right supplier.
6. How to plan a mixed container: a five-step checklist
Step 1 — Plan by weight and volume before price
Tally each lot's CBM and gross weight. Dense cargo fills the weight cap first (20ft territory); bulky light cargo fills volume first (40ft HC territory). Choose the container type the cargo wants, not the cheaper rental.
Step 2 — Fix the loading map in advance
Write the stacking order per supplier before anyone loads: floor layer, middle, top, door-side exclusions. Send the map to the consolidation warehouse; loading without a map is how ceramics end up above plush.
Step 3 — Inspect each lot before it enters the container
Third-party inspection at each supplier's warehouse typically costs USD 100–200 per man-day — cheap against a claim spanning three suppliers. Verify quantity, carton condition, dampness and marks per supplier.
Step 4 — Assemble the document set per supplier
Invoice, packing list, carton marks, origin and compliance certificates — one set per supplier, plus the consolidator's master B/L. Load only what has papers.
Step 5 — Book desiccants, dunnage and insurance together
They are the cheapest line items in the shipment and the ones that decide whether the cargo arrives sellable. Insurance at roughly 0.1–0.3% of CIF value is the standard reference range.
7. Where to find lots to consolidate
stock-clearance.ai lists stock lots across categories with photos, carton specs, quantity and MOQ — and most buyers build their mixed containers from several live lots at once. Buyer inquiries go straight to the supplier on WhatsApp; the consolidation and forwarder arrangement is then yours to direct.
Browse live stock lots to consolidate
Bulk clearance — fill a container
Previous report: footwear stock lots guide →
Frequently asked questions
When is a mixed container better than LCL for stock lots?
As a rule of thumb, buyers filling roughly half a container (around 14–15 CBM or more) typically come out ahead consolidating into one FCL rather than shipping several LCL parcels. LCL freight is priced per CBM and commonly runs USD 20–60 per CBM on major lanes, plus per-shipment fees that repeat for every LCL consignment — a mixed FCL pays them once. Below roughly half a container, LCL is usually simpler.
How many suppliers can go into one mixed container?
Most consolidations involve 2–5 suppliers. There is no legal limit, but every additional supplier adds carton marks, packing lists and inspection effort. The standard pattern: one container, one freight forwarder as consolidator, one master bill of lading, and a separate packing list per supplier so destination customs can match each carton range to its seller.
What is the correct loading order in a mixed container of stock lots?
Heavy, dense goods (ceramics, tools, footwear cartons) go on the floor, evenly distributed; medium goods stack above; light, crushable goods (apparel, plush, sponges) go last and highest. Fragile cartons ride above heavy ones, never beneath, and never against the container door, where handling damage peaks.
How do I protect stock lots from moisture in a mixed container?
Containers breathe daily and can develop condensation ('container rain'). Standard practice: load dry goods only, keep cartons off the floor with pallets or dunnage, add container desiccants (typically several kilograms per 40ft load for a multi-week voyage), and avoid mixing goods with opposite moisture needs — paper goods beside freshly kiln-dried wood, for example.
Who is responsible if one supplier's goods in the mixed container are defective?
Each supplier remains responsible for its own goods; consolidation does not merge liability. Inspect each lot before loading (third-party inspection typically USD 100–200 per man-day), carton-mark by supplier, and keep a separate packing list and invoice per supplier so claims, customs valuations and insurance claims can be attributed per supplier.