Corrugated cartons are light and economical, wooden pallets enable forklift handling, and wooden crates provide stronger protection but add weight and volume. Choosing only by packaging price can be costly: cartons may crush under stacking or humidity, a pallet does not shield cargo from impact, and an oversized crate can increase volumetric freight and trigger ISPM 15 requirements. The three options are also not mutually exclusive. A common optimum is products in cartons secured to a pallet, while heavy machinery or high-value irregular cargo may require a crate with a forkable skid. This article provides a decision matrix based on weight, fragility, stackability, handling method, moisture exposure, transport mode, wood-packaging rules and total risk cost.

Prepared by TGIMEX · Updated: 21 July 2026 · Scope: export-import and multimodal cargo packaging

QUICK FACTS

Corrugated carton

Best for light-to-medium, regular-shaped cargo with adequate inner protection; board strength and moisture exposure must be checked.

Wooden pallet

Best for multiple packages or forklift handling; it is a load platform, not a substitute for cushioning or external protection.

Wooden crate

Best for machinery, heavy, high-value, fragile or irregular cargo; the base, bracing and lifting points must be engineered.

Combined systems are often optimal

Cartons on pallets for manufactured/consumer goods; crates on skids for equipment; the choices are not strictly exclusive.

Natural wood requires an ISPM 15 check

Raw-wood pallets, crates and dunnage in international trade are generally within ISPM 15; processed wood such as plywood may be excluded under the standard.

Illustration for Wooden Pallet, Corrugated Carton or Wooden Crate: Which Packaging Should You Choose? — Illustration of the logistics topic, document or operation discussed in the article.

SCOPE

This article covers ordinary cargo moving by ocean, air, road and rail, including components, cosmetics, consumer goods, machinery, equipment, spare parts, materials and project cargo. It focuses on external transport packaging and unit loads across warehouses, trucks, terminals, containers and consignee handling.

It is not a substitute for packaging instructions for dangerous goods, temperature-controlled cargo, lithium batteries, leak-prone liquids, sterile medical goods or specialized military/air cargo. Those categories require dedicated rules and carrier acceptance.

KEY TERMS

Term	Operational meaning	Role in selection
Corrugated carton	Paperboard packaging with fluted layers providing stiffness and cushioning.	Encloses products, creates regular handling units and protects surfaces.
Wooden pallet	A wood load platform accessible by forklift or pallet jack.	Enables mechanical handling, unitization, storage and load restraint.
Wooden crate	An open or closed wooden structure surrounding cargo, usually with a skid/base, frame, panels and braces.	Provides structural and mechanical protection for irregular or sensitive cargo.
Skid	A load-bearing runner base, often without the lower deck configuration of a standard pallet.	Used for machinery and heavy cargo requiring fork or crane handling.
Unit load	Multiple packages secured and handled as one consolidated load.	Determines stability, stackability and handling efficiency.
ECT	Edge Crush Test, an indicator of corrugated board edge compression strength.	Supports carton selection for stacking, but does not replace whole-package testing.
ISPM 15	International phytosanitary standard for raw-wood packaging material in international trade.	Relevant to pallets, crates and dunnage when within scope.

HOW THE PACKAGING SYSTEM WORKS

1. Cartons enclose, pallets support, crates protect structurally

The three options operate at different functional layers. Cartons normally surround a product or product group. Pallets create a forkable base and consolidate packages. Crates add a load-bearing protective frame around the cargo. The correct question is often not “which one only?” but “which layers are required and what risk must each layer control?”

2. Weight is not the only variable

Two 200 kg shipments may need different systems: twenty uniform component cartons may be palletized, while one 200 kg machine with an offset center of gravity may need a skid or crate. Fragile glass may require a crate despite low weight. Review piece weight, dimensions, center of gravity, fragility, compression strength, value and handling frequency together.

3. Transport mode changes the force profile

Road creates vibration and braking forces; ocean adds vessel motion, humidity and longer exposure; air imposes dimensional and handling constraints and possible tilting; LCL and express cargo may be transferred many times. Packaging must withstand handling as well as static warehouse loads.

4. Stackability directly affects freight efficiency

Flat, properly rated cartons can use space efficiently. Pallet overhang exposes cartons to impact and reduces their compression performance. A crate may be stackable only if the roof and frame are designed for the load; otherwise it may be treated as non-stackable and consume more freight space.

5. Natural wood adds phytosanitary controls

ISPM 15 covers raw-wood packaging such as pallets, crates and dunnage, while processed wood made pest-free by manufacture, such as plywood, is described as excluded. A mixed crate with plywood panels and solid-wood framing still requires the solid-wood components to be assessed. The mark does not provide permanent protection against reinfestation or contaminating organisms, so packaging must remain clean and free of visible pest evidence at handover.

Product→Cushioning/moisture control→Carton or wrap→Pallet/skid→Strapping/crate→CTU securing

Selection principle: choose the packaging system that protects cargo through the full handling chain at the lowest total risk-adjusted cost—not simply the lowest packaging purchase price.

COMPARISON

Criterion	Corrugated carton	Wooden pallet	Wooden crate	Decision note
Primary function	Enclosure and package unit.	Forkable base and load unitization.	Structural enclosure and mechanical protection.	Layers may be combined.
Suitable cargo	Light/medium, regular, internally protected goods.	Multiple cartons, bags, drums or fork-handled loads.	Machinery, heavy, valuable, fragile or irregular goods.	Start with cargo characteristics.
Impact protection	Low to medium, dependent on board and cushioning.	Very low when used alone.	High when frame, braces and cushioning are engineered.	Fragile cargo needs more than a pallet.
Moisture resistance	Weak without coating/liner; compression falls when wet.	Does not enclose cargo; wood also absorbs moisture.	Can be enhanced with barrier, desiccant and sealing.	Ocean routes need a separate moisture plan.
Forklift handling	Loose cartons are usually manual.	Good when fork openings and capacity are correct.	Good with a designed skid/fork base.	Heavy pieces need engineered lift points.
Stackability	Depends on ECT, height and humidity.	Depends on the load configuration above it.	Good only if roof/frame is load-rated.	Do not declare stackability by guesswork.
Volume efficiency	High.	Medium; base and unused footprint add space.	Lower due to frame, panels and clearances.	Compare volumetric freight too.
Reuse	Low.	Potentially high if sound.	Possible after structural and mark checks.	Do not reuse damaged or improperly repaired wood.
ISPM 15	Not applicable to paper/carton.	Usually relevant for in-scope solid wood.	Usually relevant for in-scope solid-wood parts.	Verify mark, condition and destination rules.
Initial cost	Low.	Medium.	High.	Include damage, handling and freight costs.

DECISION MATRIX

Shipment profile	Preferred option	Suggested configuration	Key check
Small, robust parcel/express cargo	Carton	Right-sized carton + complete void fill + proper tape.	Piece limit, compression, drop/vibration and labels.
Multiple uniform cartons by FCL/LCL/air freight	Carton + wooden pallet	Column stack, anti-slip sheet, edge boards, straps and stretch wrap.	No overhang, pallet capacity, height and stackability.
Heavy machinery with a base	Skid/crate	Bolt to skid, block movement, moisture wrap and frame/roof as required.	Center of gravity, lift points, fasteners, vibration and corrosion.
Fragile, high-value cargo	Crate + engineered cushioning	Isolate cargo from walls, use foam/cushioning and indicators where appropriate.	Allowable shock, clearance, orientation and insurance.
Long or irregular cargo	Custom crate	Reinforced frame, cradle/blocking, crane and fork points.	Bending moment, load points, OOG and securing.
Moisture-sensitive, moderate-weight goods	Moisture-controlled cartons + pallet	PE/barrier bag, desiccant, suitable cartons and pallet cover.	Dew point, transit time and condensation.
Destination controls wood packaging	Carton or ISPM 15-compliant wood	Use non-wood options where practical; otherwise verify treatment and marks.	Destination requirements, a visible valid mark, and debarked wood within the tolerances allowed by ISPM 15.

DOCUMENTS AND DATA TO CHECK

Document/data	Prepared by	Purpose	Fields to lock
Product specification	Manufacturer/shipper	Weight, dimensions, materials and sensitive points.	Net/gross weight, center of gravity, lift points, tilt limits.
Packing specification	Shipper/packer	Defines packaging layers, materials, cushioning, straps and restraint.	Material codes, thickness, strap count/tension, tolerances.
Pallet/crate drawing	Designer/packing contractor	Sizes the base, capacity, fork pockets, braces and lifting points.	Static/dynamic load, fork direction, base and roof design.
Carrier packing requirements	Carrier/forwarder	Checks piece limits, dimensions, forkability and non-stackable rules.	Max piece, equipment limits and booking remarks.
ISPM 15 mark and traceability data	Wood packaging supplier/shipper	The ISPM 15 mark is the internationally recognized mechanism replacing a separate phytosanitary certificate for compliant wood packaging material; supplier records support traceability.	IPPC symbol, country code, authorized producer/treatment-provider code, treatment code; legible, durable and non-transferable mark.
Packing list	Shipper	Package count/type, dimensions and gross weight.	Package type/count, dimensions, gross/net weight.
Packing photos and inspection	Warehouse/QA/packer	Evidence of condition, restraint, marks and labels.	All sides, interior, base, marks and handover condition.
Handling marks	Shipper/packer	Guides lifting, storage, stacking and orientation.	COG, this side up, keep dry, fragile, fork/sling points, no stack.
Moisture/corrosion plan	Engineering/QA	Controls water, humidity, salt and condensation.	Barrier bag, desiccant, VCI, sealing and inspection date.

HOW TO APPLY

Profile cargo risk: weight, dimensions, center of gravity, fragility, moisture sensitivity, value and tilt limits.
Map the handling chain: lifts, warehouses, trucks, CFS, terminals, container/aircraft and final delivery.
Select the architecture: carton only, cartons on pallet, skid, open/closed crate or barrier-packed crate.
Calculate load paths: pallet load, carton-bottom pressure, stacking compression, bolting points and lift reactions.
Select materials: board grade, cushioning, pallet, frame wood, plywood, straps, film and moisture-control materials.
Check route compatibility: container/aircraft doors, forklifts, racks, CFS, carrier limits and destination rules.
Pack and restrain: eliminate uncontrolled voids, prevent overhang and position edge boards/straps correctly.
Review ISPM 15: inspect solid-wood parts, marks, supplier eligibility and repaired/reused components.
Apply handling marks: weight, dimensions, COG, fork/sling points, orientation, keep dry and stackability.
Inspect before handover: weigh, measure, photograph and check stability, sharp edges, nails, fork pockets and records.

COMMON RISKS

Error	Cause	Impact	Control
Selecting cartons by dimensions only	Stacking load, humidity and transfers were ignored.	Crushing, bottom failure and cargo damage.	Use actual loads, board data and route testing.
Treating a pallet as protection	No cushioning, edge protection or containment.	Sliding, impact and moisture damage.	A pallet is a base; add containment and protection.
Pallet overhang	Pallet is undersized or stack plan is wrong.	Lower carton strength and impact exposure.	Use the correct footprint; avoid overhang.
Oversized crate	Clearances were added without engineering.	Higher volumetric freight, OOG or non-stackable charges.	Design to the required envelope only.
No COG/lift-point control	Missing engineering data.	Tip-over, base failure, machinery damage or injury.	Mark COG and fork/sling points; verify reactions.
Non-compliant raw wood	Unverified supplier or invalid mark.	Hold, treatment, re-export or destruction under destination rules.	Use qualified suppliers and inspect marks.
ISPM mark covered or altered	Paint, opaque wrapping that obscures the mark, or post-treatment repair.	Compliance cannot be verified.	Keep marks visible and recheck after repair.
No ocean moisture plan	Crate/carton used without barrier or desiccant.	Corrosion, mould and weakened cartons.	Design moisture protection for the transit.
Declaring non-stackable without analysis	No roof/load assessment.	Higher freight and less consolidation capacity.	Engineer a load-rated top or accept justified cost.

REFERENCES AND GUIDANCE

Sources reviewed on 21 July 2026. Product, route, carrier, destination-country and insurance conditions remain decisive for each shipment.

Source	Role	Application note
IPPC – ISPM 15	Scope, treatment and marking of raw-wood packaging material in international trade.	Processed wood such as plywood may be excluded; solid-wood parts in mixed packaging must still be checked.
IPPC Guide to regulation of wood packaging material	Practical guidance on manufacture, treatment, marking, repair, reuse and inspection.	Implementation guidance for ISPM 15.
IMO/ILO/UNECE CTU Code	Global practice framework for packing and securing cargo in multimodal transport units.	A non-mandatory code that may be incorporated into procedures/contracts.
IMO – Cargo Securing and Packing	Background on risks from improper stowage and securing.	Relevant across packing, transit and unloading.
DHL Global Forwarding – Good Cargo Packaging	Operational guidance on crates, pallets, forkability, stackability and overhang.	Carrier-specific limits must be checked for the actual booking.
FedEx Freight Packing Guidelines	Operational reference for palletized, crated, heavy and fragile freight.	Does not replace engineering or actual carrier requirements.

Translation note: English summaries of operational and regulatory sources are for business reference and do not replace the source texts.

FAQ

1. Must all heavy cargo be crated?

No. Multiple uniform cartons may be safely palletized. A crate is appropriate when mechanical protection, shape retention or an engineered lifting structure is required.

2. Do cartons on a pallet still need straps?

Usually a suitable containment system is needed, such as stretch wrap, edge boards and/or straps, depending on weight, surface friction, height and mode.

3. Can an ISPM 15 pallet be reused indefinitely?

No. It must remain structurally sound, correctly marked and free of visible reinfestation; repair, remanufacture or component replacement must follow the ISPM 15 control system under an entity authorized by the NPPO.

4. Does a plywood crate require ISPM 15?

Plywood is cited as processed wood that may be excluded, but solid-wood frames, skids or blocking in the same crate still need review.

5. How do I know whether a carton is stackable?

Use board specifications, load per carton, stack height, duration, humidity and package/route testing. ECT is an input, not an absolute guarantee.

6. Should ocean cargo use an open or closed crate?

Open crates protect structure and allow ventilation; closed crates provide more shielding. Moisture/corrosion control must be separately engineered.

7. How should the cheapest option be calculated?

Compare packaging, labour, weight/volume freight, handling, phytosanitary compliance, reuse and expected damage cost.

APPLICATION NOTE: There is no universal weight threshold that automatically determines carton, pallet or crate use. The answer depends on the actual product, handling chain, structural capacity, carrier rules, destination requirements and technical records. Heavy machinery and high-value cargo should have a packing drawing and pre-handover inspection.

TGIMEX IMPLEMENTATION SUPPORT

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Reconcile shipment data

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