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EVF31040

Pre-Glued Double-Wall Locking Tray

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

Pre-glued long walls for faster manual setup
Double-thick walls on all four sides for high rigidity
Clean top rim with no exposed raw edges

About this product

This premium folding carton tray combines the clean presentation of double-thick walls with the assembly speed of pre-glued components. The long walls are glued flat during manufacturing, allowing the tray to ship flat and pop open quickly at the packing station.

By shifting some of the assembly work to the folder-gluer, this design reduces manual packing time compared to fully unglued trays. The short walls roll over to lock securely into the base, creating a highly rigid frame with no exposed raw edges on the top rim.

Common uses

Cosmetics
Electronics
Premium baked goods
Rigid inserts

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Premium Retail and Heavy-Duty Tray Applications

Premium Retail Presentation

The double-wall construction hides all raw board edges, providing a clean, finished interior. This makes it an excellent choice for high-end cosmetics, electronics, or luxury goods where the unboxing experience matters.

Rigid Base for Heavy Items

The locked roll-over panels and glued long walls create a stiff, box-like frame that resists bowing and corner splay. It performs well for dense products like premium baked goods or hardware that might distort a standard single-wall tray.

High-End Electronics Packaging

Electronics often require a clean presentation and a rigid frame to protect heavy components. The double-thick walls provide a stable perimeter that pairs well with custom inserts.

Component Trays for Rigid Setup Boxes

When used as an inner tray inside a larger rigid box, the clean top rim ensures a cohesive premium look, while the fast setup helps keep fulfillment lines moving.

High-Volume Manual Packing Operations

High-Volume Manual Packing Lines

Because the long walls are pre-glued by the manufacturer, the packer only needs to fold and lock the short ends. This speeds up hand assembly compared to fully unglued roll-end trays, making it practical for larger fulfillment runs where labor time is a primary concern.

Luxury Goods and Cosmetics

Brands focusing on the unboxing experience benefit from the lack of raw edges. The folded-over top rim presents a finished surface that aligns with premium brand expectations.

Contract Packing Operations

When planning labor for a large fulfillment project, the pre-glued long walls reduce the number of folds required per unit, helping contract packers maintain consistent throughput.

When to Consider an Unglued Alternative

Short Runs and Prototype Testing

If you are running a short trial or do not have access to a straight-line folder-gluer, an unglued roll-end tray transfers the entire assembly process to the packing station, avoiding the glued production route.

Automated Fulfillment Lines

This tray is designed for manual folding and locking of the short walls. If your packing line uses automated case erectors, a machine-erected tray style may be a better fit.

Board, Finish, and Production Choices

Board Caliper and Fold Clearance

The 180-degree folds on the long walls and roll-over short walls require precise crease adjustments based on the board thickness. Thicker materials, such as micro-flute corrugated, should be checked to ensure the folds do not bind and the locking tongues fit securely into the base slots.

Surface Finishes and Print

The flat delivery allows for high-quality offset or digital printing, as well as premium finishes like foil stamping or spot UV, before the tray is folded and glued.

Insert Compatibility

The rigid double walls provide a stable frame for custom inserts. Discuss whether you plan to use paperboard, molded pulp, or foam inserts so the internal dimensions can be sized accurately.

Outer Packaging Strategy

As an open-top tray, this package is often paired with an outer sleeve, a master shipper, or a matching lid for transit. Decide how the tray will be enclosed before finalizing the dimensions.

Template Adjustments for Fit and Function

Locking Tongue and Slot Fit

The width and depth of the tuck tongues, as well as the receiving slots in the base, can be adjusted to match the tear strength of the chosen board, ensuring a secure lock that will not loosen during handling.

Wall Height Adjustments

The height of the tray can be modified to suit the product depth. Taller walls increase the overall board usage and may require adjustments to the roll-over panel proportions.

Dust Flap Clearances

The side dust flaps that bridge the corners can be adjusted to prevent binding when using thicker materials, ensuring the short walls roll over smoothly during assembly.

Packing details

Shipping and Outer Packaging

As an open-top tray, this package usually needs an outer sleeve, a master shipper, or a matching lid for parcel or courier transit. It functions primarily as a rigid inner tray or retail display unit.

Additional notes

Corner Splay and Retention

The short roll-over walls encapsulate the corner dust flaps. As long as the base tongues remain locked, the corners are held perfectly square, preventing the walls from bowing outward under heavy loads.

FAQs

Does this tray require glue or tape at the packing station?

No. The long walls are pre-glued by the manufacturer before delivery. At the packing station, the tray is opened, and the short walls are manually folded and locked into the base without additional adhesive.

Is this tray suitable for automated packing lines?

This specific design is usually erected by hand, as the roll-over and tuck sequence on the short walls is difficult to mechanize. It is designed to speed up manual packing operations.

Can this tray be made from corrugated board?

While possible with micro-flutes, corrugated board requires careful adjustment of the crease offsets. The 180-degree folds can bind or crush thicker boards, and the locking slots should be sized correctly to prevent tearing.

Can I ship this tray through a courier network?

Not on its own. It is an open-top tray designed for retail presentation or as an inner component. For parcel shipping, it should be placed inside a secure outer shipping box or fitted with a sturdy sleeve.

Why choose a pre-glued tray over an unglued one?

Pre-glued trays involve a folder-gluer production step, but they reduce the time it takes a worker to assemble the tray. For higher volumes, the labor savings often make the glued production route worthwhile.

Are the raw edges of the board visible?

No. The double-wall construction on all four sides folds over the top rim, hiding the raw edges of the paperboard inside the structure for a clean, premium appearance.

Can this tray hold custom inserts?

Yes. The rigid double walls provide a stable frame that pairs well with paperboard, molded pulp, or foam inserts to secure individual components.

How are the long walls secured?

The long walls are folded and glued flat during the manufacturing process. When the flat tray is opened at the packing station, the long walls pop upright automatically.