FEFCO 0700

Crash-Lock Open Top Tray

The crash-lock open top tray arrives flat and snaps into a rigid, locked shape the moment you square the corners. Because the factory pre-glues the bottom, your packing team can set it up in seconds without tape, stitching, or complex folding.

This speed makes it a strong choice for high-volume fulfillment, kitting, and retail displays where pack-bench time is the primary constraint. The complex base requires specific manufacturing steps, meaning it makes the most sense for repeat programs rather than short trial runs.

At a glance

  • Pops open instantly with a pre-glued, interlocking bottom
  • Open top design for fast loading, display, or use as an inner tray
  • Best for repeat fulfillment programs where packing speed outweighs short-run trial flexibility

Common uses

  • High-volume fulfillment kitting
  • Retail shelf displays
  • Inner trays for master shippers
  • Beverage and dairy transport

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High-volume packing and retail display setups

High-volume kitting and fulfillment

When packing speed dictates the daily output, the instant setup of a crash-lock base removes the need for bottom taping or manual flap folding.

Retail shelf displays

The open top allows immediate product visibility and easy access for customers. The flat, dual-layer locked bottom keeps the tray stable on store shelves.

Inner sorting trays for master shippers

Industrial suppliers use these to organize parts or components before sliding the entire loaded tray into a larger transit box.

Beverage and dairy transport

When combined with interlocking corrugated dividers, the rigid base supports heavy beverage cans or dairy containers during palletized transit.

Fulfillment, retail, and agricultural contexts

E-commerce and 3PL operations

Fulfillment centers use these trays to accelerate pick-and-pack lines. The fraction of a second saved on each tray compounds across large daily order volumes.

Parts and components kitting

Assembly lines rely on open-top trays to stage components. The instant setup keeps the staging area moving without requiring dedicated taping stations.

Agricultural and fresh produce packing

Growers use modified versions of this tray with ventilation cutouts to pack and display fruit or vegetables directly from the field to the store.

When to compare closed boxes or manual trays

Short runs and prototypes

If you are ordering a small trial batch, a manual snap-lock bottom (0711) is often a better choice. It folds by hand, avoiding the specialized factory gluing process required for a crash-lock.

Direct parcel shipping

This is an open-top tray. If you need to ship directly through a courier network without an outer mailer or master carton, compare this to a closed crash-lock box (0701) that includes top flaps.

Board, payload, and production path decisions

Board thickness and lock binding

The interlocking base relies on precise clearances. Fine to medium flutes fold crisply and lock well. Heavy double-wall board can make the automatic lock too stiff, causing it to bind or require excessive force to pop open.

Order maturity and production path

Because this tray requires a flatbed die-cutter and a specialized multi-point folder-gluer, it is built for scale. It makes the most sense for repeat programs where the reduction in hand-packing labor offsets the factory production steps.

Transit route and outer containment

The open top provides no upper protection. Decide early whether this tray will sit on a retail shelf, slide into a master shipper, or require a custom lid for transit.

Payload density and center drops

The dual-layer interlocking bottom is secure, but a concentrated, heavy point load in the exact center can sometimes force the lock to slip. Dense items should be physically drop-tested.

Ventilation, handling, and locking adjustments

Locking tab profiles

The shape of the internal locking hooks can be adjusted to ensure they strip cleanly during manufacturing and lock securely based on the specific board grade.

Ventilation and hand-hold cutouts

For agricultural or heavy retail applications, the side panels can be modified to include grip holes or airflow gaps without compromising the base.

Diagonal crease modifications

The 45-degree hinges that drive the pop-up motion can be specified as standard creases or reverse creases to control how the board behaves during rapid assembly.

Board and packing details

Flat delivery and storage space

Despite the complex glued bottom, these trays ship completely flat. The glued side seam adds a slight thickness to the bundle, but they remain highly efficient for warehouse storage before use.

Locking tab variations

Alternate tab profiles (0700a)

Different locking tab geometries can be specified to accommodate specific factory stripping limits or board behaviors, ensuring the tray erects smoothly without jamming.

Additional notes

Pack bench setup speed

The primary reason to choose this tray is speed. A packer can square and lock the tray in a fraction of a second, making it highly effective for fast-paced fulfillment lines.

FAQs

Assembly and packing labor

Do I need tape to secure the bottom of a crash-lock tray?

No. The factory pre-glues the side and bottom seams. When you push the opposite corners toward the center, the bottom flaps swing down and mechanically interlock to form a secure floor.

Volume and production path

Why choose this over a manual snap-lock bottom?

The primary difference is pack-bench speed versus production path. A crash-lock tray pops open instantly but requires specialized factory gluing. A snap-lock tray takes longer to fold by hand but is easier to produce for short trial runs.

Board and material choice

Can I use heavy double-wall board for a crash-lock tray?

It requires careful testing. The automatic bottom relies on 45-degree creases acting as hinges. Heavy double-wall board is stiff, which can cause the locking tabs to bind or require a lot of physical force from your packers to snap open.

Shipping and route

Can I ship this tray directly through a parcel network?

Not on its own. Because it has an open top, it provides no upper containment. It is typically used as a retail display, a sorting tray, or an inner component that slides into a master shipper or mailer.

Product fit and retention

Will the bottom hold heavy industrial parts?

The dual-layer interlocking bottom is secure, but a concentrated, heavy point load in the exact center can sometimes force the lock to slip. If you are packing dense, heavy items, the base should be physically drop-tested with your exact product.

Samples and prototypes

Can a digital prototype prove the crash-lock works?

A digitally cut, hand-glued prototype will show you the dimensions and the basic pop-up motion. It will not perfectly replicate the crush and crease behavior of a factory folder-gluer, so a short production trial is often recommended before a massive rollout.

Assembly and packing labor

Does the tray arrive flat or pre-assembled?

It arrives completely flat. The factory glues the necessary seams and collapses the tray so it ships and stores efficiently, ready to be popped open on the packing line.

Volume and production path

How does the factory glue the bottom?

The flat board runs through a multi-point folder-gluer. Adhesive is applied to the side seam and specific zones on the bottom flaps, which are then folded over and bonded before the tray is delivered to you.

The crash-lock tray trades factory production steps for extreme packing speed on your floor.

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