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EVC11930

Open-Top Corrugated Bin with Overlapping Base

Available in a wide range of custom configurations & material selection.
Order 1 sample. Or order 100K+ units. Or anything in between.
Affordable delivery across North America.
Design support, warehousing, testing, assembly available.
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Product details

Top highlights

Delivered flat and opened for loading
Must be taped or glued at fulfillment
Open top for immediate product access

About this product

This open-top corrugated bin provides immediate access for parts kitting, internal storage, and retail shelf displays. It is delivered as a flat tube and relies on four overlapping trapezoidal flaps that fold inward to form a continuous, rigid floor.

While the side seam is secured during production, the bottom flaps must be taped or glued at the packing station before loading. Because it lacks a lid, it is typically used as an internal component, a warehouse bin, or paired with an outer shipper for transit.

Common uses

Parts kitting
Retail shelf bins
Internal warehouse storage
Master carton inner packaging

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Kitting, Storage, and Retail Display Roles

Parts kitting and assembly stations

The open top allows workers to quickly drop in or retrieve components during assembly. The overlapping trapezoidal base provides a smooth interior floor that prevents small parts from catching in deep gaps, provided the bottom is securely sealed.

Retail shelf bins

When loaded with retail-ready products, the bin can be placed directly on a store shelf. The clean vertical walls offer a continuous surface for branding or labeling, while the open top encourages immediate customer access.

Warehouse picking bins

Facilities organizing loose inventory often use these bins on racking systems. They ship flat to save space before use, and can be erected in batches as storage needs expand.

Master carton inner packaging

When shipping multiple assortments in a single large parcel, these open trays act as internal dividers. They keep distinct product groups separated while relying on the master outer carton for transit protection.

Fulfillment, Retail, and Warehouse Environments

Internal warehouse storage

Facilities managing loose inventory benefit from bins that store flat until needed. The open top allows quick visual inventory checks and easy access for pickers.

Retail and point-of-purchase

Brands placing goods directly on store shelves use the vertical walls for graphics while keeping the product entirely visible and accessible from above.

Manufacturing and assembly lines

Workers assembling complex products use these bins to hold specific part kits. The smooth overlapping floor prevents small screws or components from getting stuck in bottom crevices.

When to Consider Crash-Lock or Slotted Alternatives

High-speed packing lines requiring instant setup

This bin requires the packer to fold and seal the bottom flaps manually or with specialized equipment. If packing speed is the primary concern, a crash-lock base pops open and locks automatically.

Standalone parcel shipping

Because this package has no top closure, it cannot be shipped through mixed-carrier courier networks on its own. If the bin must ship individually, compare it to a standard slotted carton or a mailer that fully encloses the product.

Bottom Sealing, Stacking, and Board Choices

Bottom sealing method

The fulfillment team must secure the four trapezoidal bottom flaps before loading. This is typically done with packing tape or hot melt adhesive. The chosen method affects packing labor and the visual cleanliness of the base.

Vertical stacking strength

Without a lid to distribute weight, the four vertical walls bear the entire load if these bins are stacked. Heavy top loads may require a thicker board grade or a transition to a design with a structural lid.

Flute profile and board grade

Thicker flutes increase the vertical crush resistance of the walls but reduce the internal volume. The board choice should balance the weight of the loaded bin against the available shelf or rack space.

Print surface and branding

If the bin will be used for retail display, the exterior walls can be printed with brand graphics. For internal warehouse use, plain kraft board is often sufficient and reduces manufacturing complexity.

Flute, Base Overlap, and Wall Adjustments

Base flap overlap clearance

The trapezoidal flaps are cut with specific angles to fold inward without binding. When moving to a thicker corrugated board, these clearances can be adjusted to ensure the base remains flat and square after sealing.

Wall height adjustments

The height of the four main walls can be scaled to match the product. Lower walls increase product visibility for retail, while higher walls provide better containment for loose parts.

Glue flap width and placement

The side seam that forms the flat tube relies on a glue flap. The width of this flap can be adjusted based on the board thickness and the specific folder-gluer equipment used during production.

Packing details

Die-cutting versus straight-line slotting

The angled cuts on the trapezoidal bottom flaps require custom die-cutting. If the base appearance is less critical and a simpler manufacturing route is preferred, a standard slotted tray may be a practical alternative.

Additional notes

Flat delivery and storage

The side seam is glued during production, allowing the bin to ship and store completely flat. This minimizes warehouse footprint until the bins are needed on the packing line.

Insert clearance for small parts

The overlapping trapezoidal base creates a relatively even interior floor, making it easier to drop in custom dividers or partitions without them catching on uneven flap gaps.

FAQs

Does this bin open and lock automatically?

No. While it is delivered as a flat tube that opens easily, the four bottom flaps must be manually folded and secured with packing tape or adhesive before the bin can hold products.

Can the bottom be sealed using hot melt instead of packing tape?

The base needs a physical seal to hold weight. Hot melt or cold glue can be applied during the packing process, depending on your fulfillment equipment.

Can I ship this bin through a parcel courier?

Not on its own. The open top leaves the contents exposed and provides no protection against inversion. It should be placed inside a closed master shipper for parcel transit.

Will this bin support stacking in a warehouse?

It can support light stacking, but because it lacks a top closure, all vertical weight rests directly on the side walls. Heavy stacking usually requires a thicker board grade or a structural lid.

Why does this open-top bin require die-cutting?

The bottom flaps are cut at specific trapezoidal angles to overlap cleanly and form a smooth floor. These angled cuts require a cutting die, unlike standard rectangular flaps which can be slotted.

When should I choose a crash-lock base instead of this glued-seam bin?

A crash-lock base is worth comparing if your packing volume is high and the labor time saved by an instant-locking bottom outweighs the slightly higher manufacturing complexity of the crash-lock design.

Does the overlapping bottom create a completely flat interior?

The trapezoidal flaps overlap to create a relatively smooth floor, which is cleaner than the deep gaps found in standard slotted boxes. However, there will still be minor ridges where the flaps meet, depending on the board thickness.

Can this bin be used as an insert inside a larger box?

Yes. When shipping multiple assortments in a single large parcel, these open trays act as internal dividers to keep distinct product groups separated.