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FEFCO 0511

Two-Piece Sliding Frame Box

The two-piece sliding frame box pairs a glued inner tray with a matching outer sleeve. The inner tray features inward-folding end flaps that create a clean, framed border around your product, sliding smoothly into the outer shell for a deliberate unboxing experience.

Because it consists of two completely separate glued tubes, it provides double-wall protection along the parallel sides. However, this structure requires two distinct production runs and careful manual assembly at the packing bench, making it a better fit for high-value retail or kitting than high-speed fulfillment.

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At a glance

  • Two separate glued tubes that slide together in parallel
  • Inward-folding end flaps create a presentation border
  • Relies on precise board thickness for a smooth friction fit

Common uses

  • Retail presentation
  • High-value component kitting
  • Heavy media or bound document shipping
  • Drawer-style component storage

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Retail Presentation and Component Kitting

Premium retail presentation

The sliding action slows down the unboxing process, while the inward-folding trapezoidal flaps create a framed border around the product. The outer sleeve provides an uninterrupted canvas for graphics without visible folding flaps.

High-value kitting and sets

The inner frame acts as a secure drawer for multiple components. The double-wall perimeter created by the overlapping tubes protects dense or heavy parts from lateral impacts.

Limited-edition media and books

Heavy bound documents benefit from the rigid outer sleeve and the clean presentation of the inner frame. The parallel sliding action allows users to remove heavy books without digging into a top-loading box.

Drawer-style component storage

For products that users access repeatedly, the friction-fit drawer provides a reusable storage container. The glued inner tube maintains its shape better over time than unglued folded wraps.

Premium Brands and Hardware Distributors

Cosmetics and luxury goods

Brands use the sliding drawer mechanism to elevate the perceived value of the product, often pairing the inner frame with custom inserts to hold individual items securely in place.

Specialty hardware and tools

Distributors packing heavy, long-axis tool sets benefit from the double-wall side crush resistance, keeping dense metal parts from bulging the outer walls during storage.

Stationery and art supplies

Often called a pencil-box style, this format allows artists and writers to slide the tray open to access pens or brushes while keeping the outer sleeve intact.

Corporate gifting

Onboarding kits and event gifts use the framed inner tray to present multiple branded items at once, relying on the sliding reveal to organize the presentation.

When to Consider a Different Sliding Box

If you want to avoid gluing the inner piece

Compare this with the sliding cushion box (FEFCO 0509). It uses a similar outer sleeve, but the inner piece is an unglued wrap that folds around the product. This can be easier to pack if you are using large foam or molded pulp inserts.

If you need a fully enclosed six-sided seal

Compare this with orthogonal slide-type boxes (FEFCO 0504 or 0505). Instead of sliding parallel like a drawer, those boxes cross-insert at a 90-degree angle to close off all open ends.

Board Clearance and Packing Labor

Board thickness and friction

The inner tray must slide smoothly without binding or falling out. Changing the board flute changes the friction. The inner-to-outer clearance must be recalculated for any material change.

Manual packing labor

This box cannot be erected by automated equipment. Packers must manually square both flat tubes, fold the frame flaps inward, load the product, and slide the two pieces together.

Surface finish and slip

Adding a slick graphic varnish or lamination reduces the surface friction between the two tubes. If the surface is too smooth, the inner tray may slide out too easily.

Transit closure requirements

Because the two pieces rely entirely on friction to stay together, vibration during transit can cause the drawer to open. Direct courier shipping usually requires an outer mailer or a clear wafer seal.

Adjusting the Frame and Friction Fit

Frame depth

The inward-folding trapezoidal flaps can be extended or shortened to change the depth of the visual frame around your product.

Thumb notches

Half-moon cutouts can be added to the outer sleeve to give users an obvious place to grip and pull the inner tray.

Outer sleeve cutouts

Die-cut windows in the outer sleeve can reveal branding or product colors on the inner tray before the box is opened.

Board and packing details

Production routing considerations

Because this package requires two separate glued tubes, the outer sleeve and the inner frame are processed independently. This dual-run requirement makes the format better suited for mature product lines rather than short-run trials.

Modifications and Additions

Friction locks

Small tabs can be added to the inner frame to create a physical catch, preventing the drawer from sliding out completely.

Additional notes

Testing the sliding friction

Because this box relies entirely on friction to stay closed, you should always request a physical prototype in your exact chosen board and finish. Digital models cannot prove whether the drawer will bind or slide too loosely.

Related Sliding Packaging

FAQs

Shipping and Route

Can this box be shipped through parcel networks without tape?

Friction-fit sliding boxes can vibrate open during rough transit. If you are shipping this directly through a courier, it usually requires an outer mailer, a clear wafer seal, or shrink wrap to stay closed.

Packing and Assembly

Does the inner tray come pre-assembled?

No. Both the inner frame and the outer sleeve are delivered flat. Your packing team will need to square up both tubes and fold the end flaps before sliding them together.

Board and Finish

Can we use a heavy double-wall board for extra protection?

Heavy board can make the concentric sliding action difficult. Thick flutes increase the risk of the inner tray binding against the outer sleeve. Fine flutes usually provide a smoother, more predictable sliding action.

Will a glossy finish affect how the box stays closed?

Yes. Slick varnishes or laminations reduce the surface friction between the two tubes. If the surface is too smooth, the inner tray may slide out too easily. This should be tested with a physical sample.

Quantity and Production

Why does this format require two production runs?

This design requires manufacturing two completely separate glued boxes. The inner frame and the outer sleeve must be cut, folded, and glued independently before they reach your facility.

Product Fit and Inserts

Can we add custom inserts to the inner tray?

Yes. The inner frame acts like a drawer and easily accepts corrugated partitions, molded pulp, or foam inserts to hold individual components in place.

Packing and Assembly

How do packers assemble the final presentation?

Packers apply opposing pressure to square the flat inner tube, fold the trapezoidal end flaps inward to create the frame, load the product, square the outer sleeve, and slide the two pieces together.

Product Fit and Inserts

What prevents the inner tray from sliding out completely?

In its standard form, only the friction between the two corrugated surfaces keeps the box closed. If you need a hard stop, small locking tabs can be engineered into the inner frame.

Review your product dimensions, insert needs, and packing workflow to determine if a sliding frame box is the right presentation for your next release.

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