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EVF31022

Pre-Glued Double-Wall Retail 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 walls for fast hand assembly
Double-wall thickness on all four sides
Gap-free webbed corners contain crumbs and powders

About this product

The EVF31022 is a folding carton tray designed for fast manual fulfillment and retail presentation. By pre-gluing two of the walls during conversion, the tray ships flat but pops open on the packing line, allowing operators to quickly fold and lock the remaining two sides into place.

Because the corners feature continuous webbed gussets that fold inward and hide inside the double-thick walls, the base has no open gaps. This makes it a practical choice for bakery goods, confectionery, and retail apparel where a clean interior and leak-resistant corners matter.

Common uses

Premium bakery and pastry presentation
Apparel and soft goods unboxing
Confectionery kitting
Cosmetic and skincare sets

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Retail and Bakery Presentation

Premium Bakery and Confectionery

The continuous webbed corners prevent crumbs, sugars, or fine particulates from leaking out of the base vertices. Combined with a food-safe paperboard, it provides a clean, secure presentation for pastries and sweets.

Apparel and Retail Kitting

When locked, all four walls are double-thickness, providing rigidity and a finished edge. The hidden corner gussets keep the interior panels continuous and free of visible gaps for unboxing experiences.

Cosmetic and Skincare Sets

The double-wall construction creates a sturdy frame for holding jars, bottles, or tubes. The clean interior edges allow custom inserts to sit flush against the walls without catching on exposed corner flaps.

Gourmet Food and Deli Kitting

For mixed food sets, the webbed corners keep loose items contained, while the double-thick walls help support the weight of heavier items during handling and display.

Fulfillment and Packing Line Setup

High-Volume Manual Packing

This tray is built to speed up hand assembly. Because the converter pre-glues the top and bottom walls, the packer simply pulls the walls up, which automatically swings the corners inward. Folding the final two walls over the corners locks the entire tray together without tape or bench glue.

Retail Display and Shelf Presentation

The fold-over walls hide the raw edges of the paperboard, presenting a clean, folded edge at the top of the tray. This makes it suitable for open-top retail displays where the customer sees the inside of the package.

Kitting and Co-packing Operations

Because the trays are delivered flat, they take up minimal space on the packing bench. The fast pop-up action allows co-packers to assemble the trays quickly as part of a larger kitting line.

When to Consider Simpler Tray Styles

Short Runs or Prototype Testing

If your order volume is too low to justify the folder-gluer setup used for the pre-glued walls, a standard unglued roll-end tray or a four-corner beers tray may be more cost-effective to trial.

Heavy Corrugated Needs

This design relies on folding the corner gussets in half and trapping them inside the side walls. If your product uses thick corrugated board, these four-layer corners can bind or tear. A standard crash-lock or staple-corner tray is usually a better choice for heavy flutes.

Board Caliper and Folder-Gluer Setup

Board Thickness and Fold Clearance

The paperboard caliper should be known before cutting. The template uses specific layer-step corrections to ensure the fold-over walls can clear the folded corner gussets. If the board is changed later, the locking tabs may fail to seat properly.

Print Layout and Coating

Because the inner walls fold over from the outside, all visible exterior and interior graphics can be printed on a single side of the flat blank. If you need high-gloss coatings or foil, discuss the glued wall areas with your converter to ensure the adhesive bonds correctly.

Folder-Gluer Setup vs. Run Size

The pre-glued walls rely on a specific folder-gluer setup during manufacturing. For very short runs or prototypes, the setup time may outweigh the benefits, making an unglued tray a more practical choice.

Insert and Partition Sizing

The double-wall construction and folded corner gussets take up a small amount of space inside the tray. Any custom inserts or partitions should be sized based on the final assembled internal dimensions, not just the base panel size.

Locking Tab and Clearance Adjustments

Locking Tab Angles

The friction lock relies on triangular tabs that wedge into the base corners. The angle and depth of these tabs can be adjusted based on the board's tear resistance and the intended holding force.

Wall Height and Proportions

The depth of the tray can be adjusted to match the product layers. Taller walls provide more containment but use longer fold-over panels, which increases the overall footprint of the flat blank.

Layer Step Crease Adjustments

The template includes parameters to adjust the fold clearance based on the exact paperboard caliper chosen. This ensures the inner walls fold over the webbed corners without binding or tearing.

Packing details

Shipping and Storage

Despite the pre-glued walls, the trays are delivered knocked-down flat, making them efficient for palletization and warehouse storage before use.

Additional notes

Operator training for friction locks

While assembly is fast, packers should be shown how to properly seat the triangular locking tabs into the base corners to ensure the side walls do not unfold during loading.

FAQs

Does this tray use glue on the packing line?

No. The top and bottom walls are pre-glued by the manufacturer before delivery. Your packing team simply pops the tray open and folds the remaining two walls over to lock it.

Is this tray leak-proof?

The webbed corners prevent dry goods, crumbs, and powders from escaping through the base corners. However, it is not liquid-tight unless a specific barrier coating or liner is applied.

Can this tray be made from corrugated board?

It is generally not recommended for thick corrugated board. The corner gussets fold into four layers, which can cause thick flutes to bind, tear, or prevent the locking tabs from seating. It is usually a better fit for solid bleached sulfate (SBS) or folding boxboard (FBB).

Can I ship this tray through parcel networks?

Because this is an open presentation tray, it should be placed inside a fitted outer shipper or mailer for parcel or courier delivery.

Can the inside of the tray be printed?

Yes. Because the inner walls are formed by folding the outer panels inward, both the inside and outside of the tray can be printed using a single-sided print run.

Why is folder-gluer setup used?

The converter typically folds and glues two of the walls flat while keeping the corner gussets free. This machine step is what allows the tray to pop open quickly during final fulfillment.

Does the double-wall construction affect internal dimensions?

Yes. The folded inner walls and the trapped corner gussets reduce the internal length and width slightly compared to the flat base panel. Inserts should be sized to the assembled interior.

How are the corners sealed?

The corners are formed by continuous webbed gussets that fold in half diagonally and swing inward. They are then trapped between the inner and outer side walls, creating a closed corner without separate glue or tape.