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FEFCO 0709

Auto-Bottom Box with Flat-Sealing Top

  • 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

  • Base locks automatically when squared, removing the need for bottom tape
  • Inner and outer top flaps meet in the center for a gapless, flat surface
  • Trades higher board usage for pack-bench speed and top stability

About this product

This shipping box combines the instant-setup speed of a crash-lock base with a specialized top closure. When squared, the factory-glued floor locks into place automatically, allowing packing teams to skip bottom taping entirely.

Unlike standard slotted boxes, both the inner and outer top flaps are sized to meet perfectly in the center. This creates a completely flat, double-layered roof that improves top puncture resistance and provides a smooth surface for automated taping and labeling.

Common uses

  • High-volume e-commerce fulfillment.
  • Automated case taping lines.
  • Products requiring top puncture protection.
  • Palletized outbound shipping.

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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High-volume packing and flat-surface sealing

Automated taping lines

The perfectly flat top surface prevents tape from dipping or catching, making this box highly reliable for fulfillment centers using automated case sealers.

High-volume e-commerce fulfillment

The instant base setup cuts seconds off every order. When multiplied across thousands of shipments, the labor savings justify the specialized production routing.

Products requiring top puncture protection

Because the inner flaps meet in the center just like the outer flaps, the top of the box is entirely double-layered, offering better protection against impacts from above.

Palletized outbound shipping

The gapless top provides a consistent, level surface for vertical stacking, preventing the top tier from crushing inward under stretch wrap.

Operations relying on speed and stacking stability

Third-party logistics (3PL)

When throughput dictates profitability, removing the bottom-taping step across thousands of daily orders yields measurable labor savings, while the flat top ensures consistent stacking on outbound pallets.

Retail kitting and assembly

Operators can pop the box open with one motion and immediately begin loading components. The flat floor provides a stable base for inserts or partitions.

Subscription box fulfillment

The flat top provides a clean, uninterrupted surface for applying large branded labels or security seals without them wrinkling over a center gap.

When to consider a different box style

Standard top closure is sufficient

If you do not need the double-layered, gapless top surface, look at a standard auto-bottom box (FEFCO 0701). It uses less corrugated board while providing the exact same instant-setup base.

Low-volume or prototype runs

The complex base and extended top flaps require specific factory routing. For short runs, a standard slotted box (FEFCO 0201) is often a simpler choice for early-stage testing.

Close variants and lookalike dielines

The closest library neighbors include 0708, 0707, 0704. 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, closure methods, and packing volume

Board thickness and base locking

The interlocking bottom tabs are calibrated for specific board calipers. Fine to medium flutes work well. Heavy double-wall board can cause the base to bind or resist opening, requiring physical testing before a full run.

Top sealing method

While the bottom locks automatically, the top flaps meet in the center and require a secondary seal. Plan for standard packing tape, water-activated tape, or a secure label to close the box for transit.

Order maturity and volume

Because the crash-lock base and extended top flaps require specialized flatbed preparation, this style favors mature, high-volume repeat programs over short trial runs.

Insert and partition compatibility

The locked floor provides a stable, flat surface for dropping in corrugated dividers or molded pulp trays, making it easier to load multi-part kits.

Template adjustments for fit and handling

Clearance for automated erectors

If you plan to use automated case-erecting machinery rather than hand assembly, the base locking tabs and crease resistance must be matched to your specific equipment envelope.

Top flap orientation

Depending on how the box moves through your taping line, the template can be adjusted to ensure the outer flaps fold in the correct direction for your sealing equipment.

Base lock tension

The hook and notch mechanism can be slightly adjusted to increase or decrease the force required to pop the box open, balancing pack-bench speed against base security.

Board and packing details

Blank sprawl and material usage

Because both the inner and outer top flaps must reach the center line, this design consumes more corrugated board than a standard box. This makes it a specialized choice where the flat top and fast base are strictly necessary.

Alternative top closures

Standard RSC top (0701)

A closely related style where the inner top flaps leave a gap, reducing overall material usage while keeping the fast-locking base.

Additional notes

Pallet stacking and top compression

The double-layered top surface provides excellent stability for vertical stacking on pallets, preventing the top tier from crushing inward under stretch wrap.

Related packaging choices

FAQs

Closure and Sealing

Does this box require tape?

The bottom locks automatically and does not require tape. However, the top flaps meet in the center and must be sealed with tape, adhesive, or strapping for transit.

Product Fit and Protection

Why do the inner top flaps meet in the middle?

Having all flaps meet creates a completely flat, double-layered top. This prevents the outer flaps from dipping in the center, improves top puncture resistance, and provides a smooth surface for automated taping machines.

Board and Material

Can this be made in heavy double-wall board?

It is possible, but heavy board increases the risk of the bottom locking tabs binding during assembly. If your product weight requires double-wall board, the base mechanism should be physically tested first.

Production and Quantity

Is this a good choice for a short trial run?

Usually not. The complex base and extended top flaps require specialized flatbed preparation. This routing makes it much better suited for high-volume repeat orders.

Packing Labor

How much faster is this than a standard box?

It eliminates the entire bottom-folding and taping step. For operations processing hundreds or thousands of orders a day, popping the base open instantly yields measurable labor savings.

Comparison

What is the difference between this and a standard auto-bottom box?

A standard auto-bottom (like the 0701) has shorter inner top flaps that leave a gap. This box extends those inner flaps so they meet perfectly in the center, creating a stronger, flatter top at the cost of using more material.

Closure and Sealing

Can I use water-activated tape on the top seal?

Yes. The flat, gapless top surface is excellent for water-activated tape, as there is no center dip to cause the tape to wrinkle or fail to adhere properly.

Product Fit and Protection

Does the crash-lock base support heavy point loads?

The interlocking base is strong, but concentrated heavy point loads in the exact center can sometimes force the lock to disengage. Dense, heavy items should be tested to ensure the base holds during transit drops.