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EVC11001

Corrugated Snap-Lock Box with Tuck Top

Available in a wide range of custom configurations & material selection.
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Product details

Top highlights

1-2-3 snap-lock bottom for tape-free manual assembly
Tuck top with slit locks to help prevent accidental opening
Delivered flat (KD) with the side seam pre-glued

About this product

The EVC11001 is a corrugated folding carton designed for quick manual assembly and clean presentation. Featuring a 1-2-3 snap-lock base and a regular tuck top with slit locks, it provides a secure enclosure without the need for bottom tape.

Delivered flat with a pre-glued side seam, this style is a practical choice for retail packaging, kitted goods, and inner cartons where pack-bench efficiency and a clean unboxing experience matter more than heavy-duty transit protection.

Common uses

Primary retail packaging
Secondary kitting boxes
Inner master cartons

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Retail, kitting, and inner carton applications

Retail and shelf presentation

The tape-free bottom and clean tuck top create a polished look suitable for primary retail packaging. The slit locks help keep the lid secure on the shelf without requiring additional stickers or seals.

Kitted goods and multi-part assemblies

For fulfillment centers building kits, the snap-lock base provides a flat, stable floor that is quick to set up by hand, keeping the pack-bench moving efficiently.

Inner cartons and master packing

When used as an inner box inside a larger master shipper, the snap-lock base supports the product weight while keeping individual units separated and protected.

Lightweight component storage

For organizing lightweight parts or components in a stockroom, the snap-lock base provides a flat floor that sets up quickly without tape, keeping the assembly area clean.

Manual fulfillment and pack-bench operations

Manual pack-bench fulfillment

This box relies on an operator to fold and interlock the four bottom flaps. It is faster to assemble than a standard taped box, making it practical for manual fulfillment lines, though it is not suited for automated case-erecting machinery.

Retail display and unboxing

The tape-free bottom and clean tuck top create a polished presentation. The slit locks help keep the lid secure on the shelf without requiring additional stickers or seals.

Secondary packaging for kitted items

When combining multiple items into a single kit, the flat floor of the snap-lock base provides a stable surface for inserts or loose parts, while the tuck top allows for easy reopening.

When to consider taped shippers or auto-bottoms

High-speed automated packing

If the packing line uses automated case erectors, the manual 1-2-3 bottom will slow down the process. Evaluate standard RSCs or specialized machine-erected trays instead.

Heavy parcel shipping

The snap-lock base relies on friction and board stiffness. If the box will be shipped individually or contains heavy items, a taped bottom or an outer master shipper is often recommended to prevent the base from opening on impact.

Maximum assembly speed

If manual assembly time is the primary concern, an auto-bottom (crash-lock) carton sets up in one motion, though it requires a different folder-gluer setup.

Board thickness, product weight, and production layout

Flute profile and board thickness

E-flute is a common choice, offering crisp folds and reliable lock engagement. Thicker boards like C-flute or double-wall can make the snap-lock flaps stiff to fold manually and may cause the slit locks to bind.

Product weight and base retention

Evaluate the payload. The interlocking bottom flaps support light to medium weights, but heavy point loads can force the center locking tab to disengage.

Top closure security

The slit locks on the tuck flap provide friction to help keep the lid closed. If the box will be opened frequently, the depth and angle of these locks can be adjusted to change the opening resistance.

Outer shipping requirements

If the carton will be shipped individually through a courier network, plan for an outer master shipper or tape, as the friction locks can disengage during rough transit.

Tuck friction and paired die-board layouts

Slit lock depth and angle

The notches on the tuck flap (slit locks) can be adjusted to increase or decrease the opening friction, depending on how frequently the end-user opens and closes the box.

Paired die-board layouts

The flap geometry can be modified with specific chamfers to allow two identical blanks to nest closely together head-to-tail, improving material yield during high-volume conversion.

Tuck flap style

While the standard template uses a regular tuck with slit locks, the closure can be adapted to a simple friction tuck if the extra locking friction is not needed for the specific product.

Packing details

Print panel and label placement

The smooth front and side panels offer uninterrupted space for branding or routing labels, as there are no tape seams to bridge or obscure graphics.

Layout variants for high-volume production

Paired Layouts (EVC11001#2P)

Features specific flap chamfers that allow two identical blanks to nest closely together head-to-tail on the die-board. This paired layout reduces corrugated waste during high-volume conversion.

Additional notes

Parcel sealing and outer carton choice

If this carton is used as a primary product box, consider whether it will be placed inside a master shipper for transit. If shipped alone, plan for an outer seal or tape to secure the tuck top.

FAQs

Is a snap-lock bottom faster to assemble than a standard shipping box?

An operator can fold and interlock the 1-2-3 bottom flaps without needing a tape dispenser, making it faster than taping the bottom of a standard box.

Can this box be erected on automated packaging lines?

The sequential folding required for the snap-lock base is designed for manual pack-bench operations. Automated lines usually require different base styles.

Can I ship this box directly through a parcel courier?

It depends on the product weight and route. Because the top and bottom rely on friction locks, rough handling or drops can cause the flaps to open. For direct parcel shipping, an outer seal or tape is often recommended.

Which board thicknesses fit a snap-lock base?

Thinner profiles like E-flute or B-flute work well because they fold cleanly and allow the locking tabs to engage. Thicker boards, such as double-wall, are often too stiff for the operator to fold easily and can prevent the base from locking securely.

What does a 'paired' layout mean for this box?

A paired layout modifies the flap edges slightly so that multiple box blanks can nest tightly together during cutting. This reduces corrugated waste and improves material efficiency for large orders.

How much weight can the snap-lock bottom hold?

The capacity depends on the chosen board grade and the footprint of the product. It is often used for light to medium weights. Heavy items with concentrated point loads should be tested physically to ensure the base does not disengage.

Can I use double-wall corrugated for a snap-lock box?

Double-wall board is generally stiff for a manual snap-lock base. The operator may struggle to fold the flaps, and the locking tab may not engage properly. Thinner profiles like E-flute or B-flute are often a more practical fit for this style.

Does the tuck top require a sticker or seal to stay closed?

The tuck flap features slit locks that catch on the side dust flaps, providing friction to help keep the lid closed on a retail shelf. However, for transit or tamper evidence, an outer seal is often added.