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FEFCO 0330

Telescopic Slip-Lid Box with Roll-Over Walls

  • 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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30+specialist partner plants

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Product details

Top highlights

  • Base and lid assemble mechanically without tape or adhesive
  • Roll-over inner walls hide raw edges for a premium presentation
  • Thick boards fight the fold and place tension on the locking tabs

About this product

This premium two-piece package consists of a base tray and a full-depth lid, both featuring self-assembling roll-over walls. By folding the inner panels 180 degrees over the corner gussets, the design hides raw corrugated edges and locks into place without a single drop of glue or strip of tape.

You trade higher material usage and manual folding time for an exceptionally clean unboxing experience and high vertical stacking strength. When the lid slides over the base, the overlapping panels create a continuous four-layer barrier around the entire perimeter.

Common uses

  • High-end retail kits
  • Heavy industrial components
  • Reusable internal storage bins
  • Variable-height printed matter

Get a quote

Share what you know. We'll take it from there. Or email us at info@herculeindustrial.com

Best Price Guarantee

Already have a packaging quote? Let us beat it.

Send us the quote you have. We will beat it for the same specifications, quantity, and delivery requirements.

Upload a competing quote

Free quote review. No obligation.

30+specialist partner plants

We supply through the plant best suited to your price, material, production, and delivery requirements.

Why we can beat a lower quote

30+ plants give us more ways to lower the price.

Each plant has different machinery, material costs, order minimums, and freight rates. Our buying volume helps us secure better pricing. We then quote through the plant that gives you the lowest total price for your requirements.

Send us your current quote. Watch us beat it.

Attach it to the quote form or email it to us. We'll review it free and send you our price.

Upload a competing quoteinfo@herculeindustrial.com
Best Price Guarantee terms

To qualify, send a written supplier quote dated within the past 30 days and addressed to your company. It must cover the same dimensions, construction, material, print, finish, quantity, tooling, freight, delivery date, and delivery location. The guarantee does not cover taxes, expired quotes, liquidation or clearance sales, or obvious pricing errors.

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Premium presentation and heavy-duty staging

High-end retail and sales kits

The roll-over walls hide the fluted edges of the corrugated board, mimicking the look of a rigid setup box. This creates a polished presentation for electronics, cosmetics, or sample kits without the cost of a traditional rigid box.

Reusable in-plant storage bins

Because the trays lock mechanically, workers can open, close, and reuse the bins repeatedly without tearing tape joints. The friction-fit lid keeps dust out during staging.

Heavy component staging

The four-layer perimeter prevents the side walls from bowing outward when loaded with dense parts. The base tray can be loaded fully open before the lid is dropped over the top.

Variable-height printed matter

For stacked sheet goods or catalogs, the exact height of the payload varies. The telescopic lid slides down until it meets the product, holding the contents tight without requiring custom box heights.

Retail brands, industrial kitting, and print fulfillment

E-commerce and direct-to-consumer brands

Delivers a clean unboxing presentation. For mixed-carrier transit, the outer lid relies on a tamper-evident seal, strap, or outer mailer to remain secure.

Print and catalog fulfillment

Accommodates varying stack heights while maintaining a clean presentation. The friction fit keeps documents secure during palletized transport.

Industrial kitting and parts supply

Provides heavy stacking strength for dense components. The tape-free assembly allows the trays to be broken down and reassembled if needed.

When to consider taped or snap-lock alternatives

High-speed packing lines

If your team handles hundreds of boxes an hour, the manual 180-degree folding sequence will slow them down. Look at the Two-Piece Telescopic Snap-Lock Box (FEFCO 0321), which arrives pre-glued and pops open instantly.

Cost-sensitive bulk shipping

If presentation does not matter and you simply want a strong telescopic box, look at the Standard Full Telescope Box (FEFCO 0300). It uses less material and fastens with standard tape or staples.

Single-piece mailer needs

If you want a premium unboxing experience but prefer a one-piece design that is easier to seal for parcel shipping, look at the Roll-End Tuck-Front Mailer (FEFCO 0427).

Close variants and lookalike dielines

The closest library neighbors include 0331, EVC41202, 0314. Use this as a variant check if a buyer brings an old code, sample, or dieline that looks close. The deciding details are usually the lock, slot, closure, wall build, part count, or fold sequence.

Board thickness, lid clearance, and parcel sealing

Board thickness and locking tension

This design relies on precise 180-degree folds. Heavy double-wall boards fight this fold memory, placing tension on the internal locking tabs. Fine flutes or solid cartonboard hold the walls locked tight with less resistance.

Parcel sealing and outer carton choice

The tape-free assembly applies only to building the trays. The lid relies on a friction fit. If this box travels through a mixed-carrier parcel network, plan for an external strap, a heavy-duty seal, or a separate master shipper.

Manual assembly labor

Both the base and the lid require two-hand manual dexterity to roll the panels over the corner flaps and seat the locking tabs. Factor this assembly time into your packing workflow.

Interior print panel placement

Because the inner walls are formed by rolling the extended outer panels inward, you can achieve double-sided interior printing on the side walls without requiring a specialized two-sided press pass.

Thumb holes and variable lid depths

Thumb holes for vacuum release

A tight telescopic fit creates a vacuum that makes the lid hard to remove. Adding semi-circular die-cut thumb holes to the lid edges breaks the suction and gives the recipient an easy grip.

Partial versus full telescope

While a full-depth lid provides maximum double-wall strength, you can specify a partial-depth lid to reduce material usage if extreme vertical stacking strength is not required.

Locking tab geometry

The size and shape of the rectangular locking tabs (noses) and receiving slots must be scaled precisely to the chosen board thickness to ensure a secure fit without tearing.

Board and packing details

Telescopic clearance calculations

The dimensional clearance between the base and the lid must be precisely calculated based on the exact board caliper. Changing the flute profile without updating the cutting die will cause the lid to bind or fit too loosely.

Design adjustments and cutouts

Thumb hole cutouts

Optional semi-circular notches on the lid edges to ease manual removal.

Additional notes

Print surface and raw edges

The roll-over design hides the fluted edges of the corrugated board, creating a clean, premium look similar to a rigid setup box. This makes it an excellent candidate for high-end graphics.

Related two-piece boxes

0300: Standard Full Telescope Box

Review this option when you want the stacking strength of a telescopic lid but prefer to tape or staple the corners to save material.

0331: Full Telescope Container

Nearby FEFCO style to review if the buyer wants a similar job but the closure, flap overlap, wall build, or part count changes the package choice.

EVC41202: Self Locking Container with Self Locking Cover

EngView neighbor that can look close in CAD. Review it if a sample or dieline seems similar, then verify closure style, slots, wall build, and assembly before treating it as a substitute.

FAQs

Assembly and Packing

Does this box require tape or glue to assemble?

No. Both the base and the lid use extended side panels that roll over the corner flaps and lock into the floor with rectangular tabs. The trays hold their 3D shape entirely through mechanical friction.

Shipping and Route

Can I ship this through the mail without tape?

While the trays assemble without tape, the lid simply slides over the base. In a mixed-carrier network, the lid can easily separate. You will need an external strap, a strong tamper-evident seal, or an outer shipping box.

Material and Fit

Why do the inside walls keep springing open?

This usually happens when the corrugated board is too thick. Heavy boards resist the 180-degree fold, putting too much tension on the locking tabs. Switching to a thinner flute usually resolves the tension.

Why is the lid getting stuck on the base?

A full-depth lid creates a vacuum seal when pushed down. Adding die-cut thumb holes to the sides of the lid allows air to escape and gives the user a place to grip during removal.

Production Path

Can this be run on standard box-making equipment?

The intricate locking tabs and slots require flatbed die-cutting. It cannot be produced on a standard rotary slotter.

Inserts and Product Fit

Does the roll-over wall affect internal dimensions?

Yes. The 180-degree fold adds two extra layers of board thickness to the inside perimeter of the tray. This must be calculated carefully if you are fitting custom foam or precise inserts.

Assembly and Packing

Can the trays be flattened and reused?

Yes. Because the trays assemble without adhesive, the locking tabs can be carefully disengaged to store the box flat, though repeated folding will eventually weaken the corrugated hinges.

Print and Finish

Can the inside of the box be printed easily?

Yes. The inner walls are formed by folding the outer panels inward. This means artwork printed on the outside of the flat blank will appear on the inside walls of the assembled tray.