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EVF21090

Variable-Depth Cross-Folder Wrap

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

Adjusts to variable product thicknesses
Delivered flat for high pallet density
Relies on an external tape or label seal

About this product

This cross-folder wrap is delivered as a flat blank and folds tightly around flat or shallow items. Instead of a fixed side wall, each of the four flaps features a band of parallel creases, allowing the packer to fold the board at the exact height of the product.

By acting like a custom skin, this wrap eliminates the need for void fill in variable-depth fulfillment. Because it has no native locks or tucks, it relies entirely on an external tape seal, label, or band to stay closed in transit.

Common uses

Books
Media
Framed art
Flat apparel
Shallow kits

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Size and quantity

Detailed dimensions

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Materials and print

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Fulfillment and Variable-Depth Packing

E-commerce fulfillment for variable-depth goods

The wrap is highly effective for operations shipping items that vary slightly in thickness from order to order. The packer centers the item, folds the flaps at the closest crease, and seals the package, creating a tight fit that prevents internal shifting.

High-density flat storage

Because the blank is a simple cross shape with no pre-glued seams, it ships and stores completely flat. This maximizes warehouse space before the packaging is used.

Multi-item kitting

The adjustable spine allows a single wrap size to accommodate one item or several stacked items in the same order, reducing the number of distinct packaging sizes required on the packing floor.

Edge protection for flat panels

The overlapping flaps provide multiple layers of board over the broad faces and edges of flat items, offering basic transit buffering without requiring complex internal inserts.

Media, Apparel, and Framed Goods

Publishing and printed media

The variable creases allow a single wrap size to accommodate different book thicknesses or multiple volumes in one order, reducing the number of distinct packaging sizes required.

Framed art and signage

The tight wrap protects the faces and edges of flat items. However, because the corners are formed by overlapping flaps rather than rigid pillars, highly fragile corners may benefit from additional internal edge protection.

Flat apparel and textiles

Soft goods that compress easily benefit from the adjustable depth, allowing the packer to pull the flaps tight and tape them down to minimize the final shipping volume.

When to Consider Fixed-Depth Mailers

High-speed packing lines

This wrap relies on manual folding and external taping. If your operation relies on automated case erectors or needs a self-locking closure to speed up hand packing, a roll-end tuck-top mailer or a crash-lock box is a better choice.

Consistent product dimensions

If you always ship the exact same product, the variable creases are unnecessary. A fixed-depth cross-folder or a standard mailer provides a cleaner side wall and can be easier to fold quickly.

Board Choice and Sealing Strategy

Grain direction and cracking risk

Because the parallel creases run in both directions across the blank, some scores will inevitably run against the board's grain. Discuss board grade and coating choices to minimize the risk of the paperboard cracking along the spine.

External sealing method

The wrap does not stay closed on its own. You must plan for an external seal, such as packing tape, a strong adhesive label, or strapping, to secure the overlapping outer flaps.

Maximum depth requirement

The total number of parallel creases determines the maximum thickness the wrap can handle. Review your thickest expected product to ensure the template is configured with enough score lines.

Corner vulnerability

The corners are formed by overlapping flaps, not rigid structural pillars. If the enclosed product has highly fragile corners, evaluate whether internal edge protectors are necessary.

Adjusting the Depth Increments

Number of depth increments

The template can be adjusted to include more or fewer parallel creases, changing the maximum depth the wrap can accommodate.

Distance between creases

The spacing between each parallel score line can be modified to match your expected product variations, creating finer or broader depth adjustments.

Base footprint dimensions

The central rectangular base can be sized to match the exact length and width of your primary product, ensuring the wrap folds tightly against the edges.

Packing details

Print layout across the spine

If your artwork includes continuous graphics or text across the side walls, keep in mind that the multiple creases will visually break up the surface.

Additional notes

Native tape application

If manual taping slows down your fulfillment line, discuss adding double-sided adhesive tape to the outer flaps during manufacturing. This shifts the closure burden away from the packing floor, speeding up fulfillment.

FAQs

Does this wrap lock closed?

No. The flaps overlap but do not interlock. The package relies on an external seal, such as tape or a strong label, to stay closed during transit.

How does the variable depth work?

Each of the four flaps has a band of parallel score lines near the base. The packer simply folds the flap up at the score line that best matches the height of the item being packed.

Will this protect fragile corners?

The corners are formed where the folded flaps meet, providing basic buffering. However, it does not create a rigid, reinforced corner pillar. Very fragile items may need internal corner protectors.

Can this be run on a folder-gluer?

No. The blank is cut and creased, but there are no glue seams. It is delivered flat and assembled entirely around the product.

Can this be made in corrugated board?

Yes. While this specific template is categorized for folding carton, the identical cross-folder mechanism is widely used in micro-flute corrugated board for added transit protection.

Can we add a tear strip for easier opening?

Yes. A tear strip can be added to the outer overlapping flap during manufacturing to improve the unboxing experience.

Can this wrap handle multiple items in one order?

Yes. The adjustable spine allows the packer to stack multiple flat items, such as several books, and fold the wrap at the appropriate height to secure the entire stack.

Does the wrap ship flat?

Yes. Because there are no pre-glued joints, the wrap is delivered completely flat, which maximizes pallet density and warehouse storage space.