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EVF11270

Recessed-Top Crash-Lock Carton

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

Pre-glued crash-lock base for instant bottom assembly
Top panels fold inward to create a recessed, funnel-like collar
Inner panels remain visible, often requiring two-sided printing

About this product

This folding carton pairs a fast-erecting auto-bottom with a distinctive, inward-forming top closure. Instead of standard tuck flaps, the top panels push downward into the box, creating a reinforced, funnel-like recessed opening.

Because the top closure relies on friction and geometry to stay seated, it offers a unique unboxing or dispensing experience for retail environments, though it requires manual closing and limits flat top-stacking.

Common uses

Specialty retail items
Countertop dispensers
Lightweight premium goods

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Retail Presentation and Dispensing

Countertop Dispensers

The angled, funnel-like collar reinforces the upper rim, making it a strong choice for lightweight items dispensed directly from the box on a retail counter.

Premium Retail Unboxing

The inward-folding top provides a distinctive presentation compared to standard flat lids. The friction-fit panels create a clean outer appearance without visible tuck tabs.

Lightweight Component Bins

The recessed funnel top allows easy reach-in access, which is useful for organizing small parts or components on a workbench or shelf.

Shelf-Ready Retail Packs

The reinforced rim and recessed top create a sturdy display for standing items, keeping them contained while remaining visible.

Where the Recessed Top Excels

Manual Fulfillment Operations

While the crash-lock base auto-erects instantly to speed up the packing line, the inward-forming top requires deliberate manual folding. It is a strong fit for hand-packing lines but is not suited for automated top-closing machinery.

Specialty Product Brands

Brands looking to stand out on the shelf often use this geometry, provided the product does not require heavy vertical stacking during transit.

Retail Point-of-Purchase

Environments where the box itself acts as the display or dispenser benefit from the clean, tuck-free upper rim and reinforced opening.

When to Consider a Standard Tuck Top

Heavy Stacking and Palletizing

Because the top is recessed, it does not provide a flat bearing surface for vertical loads. If the cartons will be stacked heavily on pallets without a protective master shipper, a standard flat-top carton is a safer choice.

Automated Top Closing

The complex inward fold of the top collar requires human hands. If your packing line uses automated folder-gluers to close the top flaps, evaluate a standard straight-tuck or reverse-tuck carton instead.

Direct Parcel Shipping

The friction-fit top can pop open under rough courier handling. If shipping directly to consumers without a master carton, a mailer or a box with a more secure closure is necessary.

Board, Print, and Packing Considerations

Two-Sided Print Requirements

When the top panels fold 180 degrees into the box, their reverse side faces outward. If you want a continuous brand color or pattern inside the funnel, the board will need two-sided printing.

Board Caliper and Friction Fit

The top closure stays locked through the friction of the inner panels pressing against the main walls. If the board is too thick, the folds can bind and cause the outer walls to bow. A physical sample is critical to verify the fit.

Outer Shipper Needs

This carton is designed for retail shelves, not the parcel network. The friction-fit top can pop open under rough courier handling unless it is placed inside a secure outer shipping box.

Internal Clearance for the Recess

The funnel-like collar pushes down into the main volume of the box. You must ensure your product sits low enough to clear these inward-folding panels.

Adjusting the Recess Depth

Collar Depth and Inner Panel Length

The depth of the angled recess and the length of the locking panels can be adjusted. Longer inner panels increase the friction lock, but they also consume more material and require more clearance above the packed product.

Base Cutback Length

The cutback on the crash-lock flaps can be modified to accommodate different board thicknesses or interlocking clearances, ensuring the bottom snaps flat without binding.

Glue Flap Width

The side seam glue flap can be widened or narrowed to match specific folder-gluer requirements or to provide a larger adhesive area for heavier products.

Packing details

Multi-Point Folder-Gluer Setup

The crash-lock base requires the converter to pre-glue the bottom flaps using a multi-point folder-gluer. This production path is common for repeat programs but may be less practical for very short prototype runs.

Additional notes

Clearance for the inward collar

Because the top panels fold down into the box, the usable internal height is shorter than the overall outer height. Products must be sized to sit below the recessed collar.

FAQs

Will the inside of the board be visible when the box is closed?

Yes. Because the top panels fold completely inward and rest against the interior walls, the reverse side of the board forms the visible recessed collar. Two-sided printing is usually recommended for a premium look.

Can this carton be shipped through parcel couriers?

Not on its own. The inward-forming top relies on friction to stay closed and can easily pop open during rough transit. It should be packed inside a master shipper or corrugated mailer for parcel delivery.

Does the recessed top reduce the internal packing space?

Yes. The funnel-like collar pushes down into the main volume of the box. You must ensure your product sits low enough to clear these inward-folding panels.

Can this be made from corrugated board?

It is generally not recommended. The top panels must fold 180 degrees to seat properly. Thicker corrugated flutes tend to bind, crack, or cause the outer walls to bow outward. Standard folding boxboard (FBB) is the preferred material.

How fast is this carton to assemble?

The base is nearly instant, as the pre-glued crash-lock bottom snaps into place when the box is opened. However, the top requires deliberate manual folding to push the collar inward and seat the locking panels.

Why is a physical sample important for this structure?

The top closure depends entirely on the specific board thickness and crease behavior to lock securely without bowing the carton. A prototype confirms that the chosen material folds cleanly and holds its shape.

Does the recessed top require tape or adhesive?

No. The top panels are designed to lock through friction and geometry. However, this means it is not tamper-evident and can open if dropped or handled roughly.

Can the top be closed by machine?

No. While the crash-lock base is pre-glued by the manufacturer and auto-erects, the inward-forming top requires deliberate manual folding.