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FEFCO 0714

Full Telescope Crash-Lock Box

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

Base locks automatically when squared to speed up bottom assembly
Lid slides over the body, doubling the wall thickness for heavy top loads
Telescopic fit adjusts to variable product heights

About this product

This two-piece shipping box combines the instant-setup speed of a crash-lock base with the extreme vertical strength of a full telescopic lid. The base pops open and locks automatically, while the separate lid slides entirely over the body walls to create a double-thick perimeter.

Because it requires two separate pieces of corrugated board and two distinct manufacturing runs, it involves more production steps than a standard shipping box. Buyers choose it when they need exceptional crush resistance for heavy pallets, variable-height packing for printed goods, or a premium lift-off unboxing experience.

Common uses

Heavy printed catalogs and books
Premium retail kits requiring a lift-off lid
Dense industrial parts stacked high on pallets
Archival storage requiring frequent access

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Heavy payloads, variable heights, and presentation

Variable-height print and catalog shipping

The telescopic lid slides down to match the exact height of the contents. This allows fulfillment teams to pack different quantities of books, catalogs, or flat goods without leaving empty headspace that requires void fill.

Heavy-duty palletized goods

Because the lid completely overlaps the base, all four vertical walls become double-layered. This provides exceptional crush resistance for dense, heavy items stacked high on a pallet.

Premium retail and presentation kits

The two-piece design offers a classic lift-off unboxing experience. Once the lid is removed, the clean base acts as an open presentation tray for the products inside.

Archival and document storage

The friction-fit lid allows users to open and close the box repeatedly without destroying tape or tearing flaps, making it a strong fit for long-term document storage.

Fulfillment, transit, and staged packing

High-volume fulfillment centers

The crash-lock base cuts seconds off the initial pack-bench setup. Packers can pop the base open, load the goods, and slide the lid on without wrestling with bottom flaps or tape dispensers.

Mixed-carrier parcel networks

While the double walls protect against impact, the friction-fit lid is not secure enough for rough courier transit on its own. Parcel shipments rely on external strapping, heavy-duty tape, or security labels to keep the lid from sliding off.

Staged packing environments

Teams can erect the bases, load the products, and leave them open on shelves for inspection or staging before applying the lids at the final shipping station.

When to consider a simpler single-piece box

Low-volume or trial runs

Producing this box requires two separate manufacturing setups. If your order volume is low, the production path will heavily impact the unit price. A standard RSC (FEFCO 0201) is a simpler alternative.

When bottom assembly speed matters less than simplicity

If your team can handle manual folding and taping, a standard Full Telescope Box (FEFCO 0300) provides the same double-wall strength and variable height without the complex crash-lock base.

Close variants and lookalike dielines

The closest library neighbors include 0321a, 0321, 0331. 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 clearance, closure, and production path

Board thickness and friction binding

The clearance between the lid and the base relies entirely on the exact thickness of the corrugated board. Switching to a heavier double-wall board without recalculating the template causes the lid to bind, trap air, and refuse to slide down.

Outer closure and strapping

Decide how the lid will be secured. Palletized loads might only need stretch wrap, but individual parcel shipments rely on nylon strapping or tamper-evident labels across the side walls to prevent separation.

Air release and pistoning

A perfectly fitted telescopic lid traps air as it slides down over the base. Adding finger notches or adjusting the clearance tolerances helps air escape, preventing the lid from bouncing back up during assembly.

Two-piece production path

Because this package requires two separate corrugated blanks, it involves two distinct manufacturing runs. Buyers must weigh the extreme vertical strength and fast base assembly against the reality of managing two separate components for every finished unit.

Modifying the lid depth and base fit

Finger notches for easier opening

A tight telescopic fit creates an air vacuum, making the lid hard to remove. Adding half-moon finger cutouts to the lid helps end-users grip the base and break the seal easily.

Partial telescope depth

If the payload does not require maximum double-wall strength, the lid depth can be shortened. A partial telescope uses less material while still offering a lift-off unboxing experience.

Alternate locking tabs for the base

The standard crash-lock base uses sharp hooks, which can be modified to rounded tabs (variant 0714a) to ensure clean separation during the die-cutting process, depending on the specific board grade chosen.

Board and packing details

Two-piece warehouse logistics

This package arrives flat as two separate bundles. Your packing team will manage two distinct items at the bench, which requires slightly more staging space than a single-piece box.

Variant locking tabs

Alternate locking tabs (0714a)

Some factory equipment struggles to cleanly strip the sharp hooks of a standard crash-lock base. Variant 0714a uses rounded tabs or modified slots to ensure clean die-cutting at high speeds.

Additional notes

Short digital trial versus repeat run

For prototypes or very short runs, digital cutting avoids the complex factory setup of two separate pieces. However, the crash-lock base is most practical when ordered in larger volumes that justify the dedicated production path.

Air resistance during packing

A perfectly fitted telescopic lid traps air as it slides down, causing it to bounce back up. Adjusting the clearance tolerances prevents this pistoning effect.

FAQs

Closure and Shipping

Does the lid stay on securely during shipping?

The lid relies on a friction fit. While this holds steady for stable pallet loads, individual parcel shipments rely on external strapping or heavy-duty tape to prevent the lid from sliding off during transit.

Production Path

Why does this box involve two separate manufacturing runs?

The design consists of two completely separate pieces of corrugated board. The base and the lid each require their own flat blank and folding process, meaning the factory runs them as two distinct items before they reach your packing bench.

Product Fit

How much can the height vary?

The lid slides up or down to accommodate different fill levels, making it useful for stacks of printed materials. However, the lid must overlap the base enough to maintain a secure friction fit.

Board and Material

Can I use heavy double-wall board for extra protection?

Heavy board increases the risk of the lid binding against the base. Testing an unprinted structural sample ensures the lid slides smoothly before committing to a full run.

Packing Labor

Is this faster to pack than a regular box?

The base pops open instantly, saving time on bottom taping. However, your team still has to square the lid, fold its top flaps, and carefully slide it over the base, which requires two hands and careful alignment.

Samples

Should I request a prototype before ordering?

Because the telescopic fit relies on exact board thickness, a physical sample proves that the lid slides correctly and the crash-lock base supports your specific product weight.

Assembly

How is the top lid sealed?

The lid arrives as a flat tube. Packers must square it and seal its top flaps with tape or adhesive, just like a standard box, before sliding it over the loaded base.

Usage

Can the base be used without the lid?

Yes. The base functions perfectly as an open tray (similar to FEFCO 0700) for staging products on shelves or loading into a larger master carton.