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FEFCO 0229

3-Cell Partitioned Box

Available in a wide range of custom configurations & material selection.
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Product details

Top highlights

Integrated 3-cell divider eliminates separate insert SKUs
Open top provides immediate access for retail display or kitting
Requires manual folding to interlock the internal partition

About this product

The 3-cell partitioned box is a single piece of corrugated board that forms both an outer carton and a rigid internal divider. Instead of closing the top of the box, the extended upper flaps fold inward and interlock, creating three separate compartments to keep fragile or heavy items from clashing.

This integrated approach eliminates the need to order, store, and manage a separate drop-in insert. However, it trades that inventory simplicity for a more complex manual folding process and an open top that often requires a separate lid or master shipper depending on the route.

Common uses

Wine and spirits packaging
Industrial parts kitting
Retail display trays

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Product separation and kitting

Heavy bottle and cylindrical part separation

The tethered internal walls provide rigid lateral separation, preventing glass-to-glass or metal-to-metal contact. Because the divider is anchored to the outer walls, it disperses side impacts better than a loose insert.

Retail display and immediate access

With the top flaps folded inward, the box remains completely open. This allows retail staff to place the entire unit on a shelf, or assembly workers to pull parts without cutting open a sealed carton.

Industrial kitting and multi-part assembly

When a specific assembly requires exactly three distinct components, this box keeps the kit organized on the factory floor and ensures no parts are left behind in a separate bin.

Fragile cosmetics and glass packaging

Brands shipping high-value cosmetics use this structure to secure heavy glass containers while keeping the presentation clean and avoiding the clutter of loose partitions.

Retail, fulfillment, and industrial kitting

Beverage and spirits distribution

Wineries and distilleries use this layout to secure heavy bottles, ensuring the internal grid stays anchored during transit.

Industrial parts kitting

Manufacturers use this layout to keep distinct components separated and organized on the factory floor, ensuring quick access during assembly.

Retail and shelf-ready presentation

Retailers benefit from the open top, which allows staff to place the entire unit directly on a shelf for immediate consumer access.

When to separate the box and the divider

High-speed packing lines

Folding the integrated partition requires a multi-step manual process. If the packing line relies on speed or automated equipment, a standard slotted box with a simple drop-in divider is usually faster and less prone to assembly errors.

Standalone parcel shipping

Because the top remains open, this box cannot travel through a mixed courier network on its own. If a self-contained shipper is required, consider a fully enclosed partitioned mailer or plan to use a master outer carton.

Close variants and lookalike dielines

The closest library neighbors include 0229.1, 0205a, 0205. Use this as a variant check if a buyer brings an old code, sample, or dieline that looks close. The deciding details are usually the lock, slot, closure, wall build, part count, or fold sequence.

Board thickness, print placement, and base sealing

Board thickness and slot binding

The internal partition relies on interlocking slots. If a heavy double-wall board is used without adjusting the slot widths, the flaps will bind and tear during assembly. Fine flutes or standard single-wall boards fold much cleaner.

Print panel placement

Because the top flaps fold inside out to create the cell walls, the unprinted inside of the corrugated board will face the product. If branding inside the cells is desired, the board must be printed on both sides.

Base sealing method

While the top partition locks together mechanically, the bottom of the box uses standard slotted flaps. The base relies on external adhesive or stitching to hold heavy items securely.

Manual assembly time versus inventory simplicity

Weighing the benefit of managing a single inventory item against the increased labor required to fold the complex internal partition on the packing floor.

Cell depth and base overlap adjustments

Partition depth

The depth of the internal cells is determined by the length of the top flaps. The partition can be designed to drop all the way to the floor for maximum separation, or sit higher up to suspend the product, depending on where the protection is needed.

Base flap overlap

A variant layout allows the bottom flaps to overlap for extra base strength under heavy loads, which also shifts the factory glue joint to accommodate different converting equipment.

Slot width calibration

The interlocking slots must be precisely tuned to match the chosen board thickness, ensuring the partition folds smoothly without binding or tearing.

Board and packing details

Blank size and production path

Integrating the divider into the main box creates a large, sprawling flat blank. This requires a larger cutting profile and more raw material than a standard box. The primary value of this layout comes from SKU consolidation and inventory simplicity, rather than raw material reduction.

Layout and closure variants

Overlapping base flaps (0229a)

A variant layout that changes how the bottom flaps close, allowing them to overlap for extra base strength under heavy loads. This also shifts the factory glue joint to accommodate different converting equipment.

Additional notes

Cell clearance and product tolerances

Because the partition is tethered to the outer walls, there is very little flex in the grid. Products must be sized accurately to avoid bulging the entire box.

FAQs

Shipping and route

Can this box be shipped through parcel networks?

Not on its own. The top is completely open, exposing the contents. To handle parcel transit, it must be capped with a separate lid or placed inside a master shipping carton.

Production and cost

Does an integrated divider reduce overall packaging material?

Usually not. The integrated layout requires a much larger flat blank and a specific cutting profile. The primary advantage comes from managing one inventory item instead of two, and eliminating the risk of mismatched components on the packing floor.

Packing labor

How long does it take to assemble?

It requires more manual effort than a standard box. The packer must fold the base, secure the bottom, fold the primary flaps 180 degrees inward, and then carefully interlock the cross-flaps. It is not suitable for automated packing equipment.

Board and fit

Can heavy-duty double-wall board be used?

It is risky. The internal partition requires sharp folds and precise slot mating. Heavy board creates extreme friction, making the box difficult to assemble and prone to tearing unless the cutting profile is heavily modified for the extra thickness.

Print and finish

Where does custom printing show up?

Standard outside printing will cover the exterior walls. However, because the top flaps fold inward to become the divider, the unprinted inside of the board will be visible next to the product unless two-sided printing is used.

Product fit

What details help size the cells?

Understanding the exact maximum diameter and height of the bottles or parts being packed is essential. The interlocking slots must be calibrated to hold the items snugly without bowing the outer walls.

Automation and speed

Can this box be erected on automated packing lines?

No. The intricate multi-step folding sequence required to interlock the internal partition relies entirely on manual assembly. If the operation requires high-speed automation, a standard box with a separate drop-in divider is a more practical choice.

Closure and lids

Is a separate lid required for this box?

If the box is acting as a standalone shipper, yes. The top remains open after the partition is folded. A telescoping lid or a master outer carton is necessary to enclose the product fully.