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EVF41178

Tapered Clamshell Tray with Tuck Lid

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.
Widest machinery capability in America via 30+ specialist partner plants.

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Product details

Top highlights

Glue-free mechanical corner locks
Tapered walls for a wide loading opening
Delivered flat for manual assembly

About this product

This one-piece folding carton forms a tapered tray with an integrated lid, designed for wide top access and clean presentation. The angled walls make it easy to load delicate items like pastries or retail goods without catching on straight sides.

Instead of relying on factory gluing, the tray uses mechanical roll-over folds to lock the corners in place. This allows the carton to ship completely flat, though it requires manual folding at the packing station.

Common uses

Bakery and pastry takeout
Lightweight retail kits
Catering drop-offs
Gift and promotional bundles

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Retail Presentation and Food Service

Pastry and Takeout Packing

The wide top opening allows delicate items to be placed inside easily. The integrated lid closes quickly with a front tuck, and the side dust flaps help keep the contents secure during hand delivery.

Lightweight Retail Kits

The clean front roll-over edge and tapered profile create a presentation-focused unboxing experience for lightweight goods, making it a strong choice for boutique retail.

Catering Drop-offs

The flat-shipping format allows catering teams to transport empty boxes efficiently and assemble them on-site for immediate food presentation.

Gift and Promotional Bundles

The integrated lid and wide display angle make this tray useful for kitting multiple small items into a single cohesive presentation.

Bakery, Catering, and Boutique Retail

Store-Floor Assembly

Because the tray requires no glue, it ships completely flat and takes up minimal space under a counter or in a back room, ready to be folded on demand as items are sold.

Short-Run Promotions

Skipping the folder-gluer line makes this style highly accessible for seasonal packaging trials where simple flatbed die-cutting is preferred.

Limited Storage Environments

Operations with strict space constraints benefit from the completely flat delivery, keeping bulk inventory out of the way until the moment of packing.

When to Consider Glued Trays or Straight Cartons

High-Volume Packing Lines

If packing speed is the primary concern, a pre-glued 4-corner tray or an auto-bottom carton will reduce manual folding time significantly, though they take up more space in transit.

Parcel Shipping

The mechanical corner locks and tapered walls are designed for hand delivery or master shippers. For individual courier transit, a corrugated mailer with straight walls is a safer choice to resist crush damage.

Board Thickness, Route, and Packing Choices

Board Caliper and Lock Tension

The side roll-over folds must wrap tightly over the front and back tabs. If the board is too thick or too thin, the locks may tear or spring open. The exact board thickness must be known to adjust the cut clearances.

Food Contact Coatings

If the tray will hold food directly, the board must be specified with an appropriate grease-resistant or poly-coated barrier, as the structural design alone does not prevent moisture transfer.

Packing Line Labor

The tab-and-roll-over locking sequence requires manual manipulation. Evaluate whether the packing station has the labor capacity to fold each tray by hand.

Outer Shipping Requirements

Because the tapered walls reduce vertical stacking strength, these trays usually require a rigid master carton if they are moving through mixed distribution networks.

Adjusting the Taper and Closure Fit

Taper Angle Modification

The difference between the top and bottom dimensions dictates the wall angle. Extreme tapers can be designed, but they change how the roll-over flaps seat and may require physical testing.

Lid Skirt Depth

The side flaps on the lid can be extended for more friction and dust control, or shortened to make closing faster and reduce material usage.

Tuck Tongue Width

The front closure tab can be widened or narrowed to adjust how tightly the lid locks into the front receiving slit.

Packing details

Print panel and reverse-side visibility

The lid and outer walls offer uninterrupted print surfaces. The inside of the front roll-over flap will show the reverse side of the board unless two-sided printing is used.

Base sag with heavy items

The single-ply base carries the entire product weight. Heavy items may cause the bottom to bow, making this better suited for lighter payloads.

Additional notes

Lock Testing on Production Board

Because the corner locks rely on exact material thickness to hold tension without tearing, a physical sample should always be cut from the final production board before a full run.

FAQs

Does this tray require glue to stay together?

No. The side walls feature roll-over panels that fold 180 degrees to trap the front and back tabs, locking the corners mechanically.

Can this be erected by automated machinery?

The multi-step fold sequence and tab-in-hole locks are designed for manual assembly by hand at the packing station.

Is this suitable for shipping through the mail?

The tapered shape and mechanical locks are vulnerable to crush damage in mixed courier networks. It should be placed inside a rigid outer corrugated box for parcel shipping.

How is the package delivered?

It is delivered completely flat, which maximizes pallet density and reduces inbound freight space before use.

Can I use corrugated board for this design?

Micro-flute corrugated is risky because the small locking hooks and 180-degree roll-over folds are highly sensitive to material thickness. Solid bleached board (SBS) or folding boxboard (FBB) are much safer choices.

Does the front lip interfere with loading?

The front lip folds inward to create a clean edge and a receiving slit for the lid's tuck tongue, but it remains relatively low to keep the loading area open.

How does the lid stay closed during transport?

The lid features a front tuck tongue that inserts into a slit on the front lip, while side dust flaps fold into the tray to add friction and keep the cover secure.

Can the tray support heavy items?

The single-ply base carries the entire product weight, and the tapered walls offer less vertical support than straight walls. It is generally better suited for lightweight pastries, catering, or retail goods.