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EVF15021

Pentagonal Pinwheel Box with Snap-Lock Base

The EVF15021 is a specialty five-sided folding carton designed for premium retail presentation. It features a decorative spiral push-in top and an interlocking snap-lock bottom, creating a striking unboxing experience for cosmetics, confectionery, and luxury gifts.

Because both the top and bottom closures involve complex interlocking, this package is assembled by hand. It is delivered flat with a glued side seam, ready to be popped open and loaded.

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  • Available in a wide variety of configurations.

At a glance

  • Five-sided geometry with a decorative spiral dome closure
  • Interlocking snap-lock base requires no bottom glue
  • Delivered flat for manual erection and loading

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Premium Retail and Gift Packaging

Luxury Confectionery and Chocolates

The unique five-sided shape and domed pinwheel top make this carton stand out on retail shelves. It is a strong fit for lightweight, high-value treats where the unboxing experience is a core part of the product's appeal.

Cosmetics and Fragrance

The elegant overlapping top flaps create a secure, tension-locked closure that stays shut on its own, maintaining a clean, premium look for beauty products.

Specialty Gift Packaging

For boutique items and curated gifts, the pentagonal footprint and spiral top offer a distinctive presentation that feels more deliberate than a standard square box.

Boutique Apparel Accessories

Lightweight rolled items like silk scarves or ties fit naturally into the five-sided tube, while the snap-lock bottom keeps the contents secure during retail handling.

Hand Assembly and Presentation Contexts

Manual Packing Operations

This carton is not suited for automated filling lines. The packer manually interlocks the five bottom flaps to form the floor, loads the product, and sequentially folds the five top flaps to create the spiral closure. This requires dedicated assembly time.

Premium Retail Display

The five flat wall panels provide distinct facing options on a shelf, while the domed top draws the eye. The friction-locked top stays closed during normal retail handling without additional seals.

Limited Edition Runs

Because it relies on manual assembly, this package is often chosen for short-run promotions, holiday editions, or specialty product launches where the visual impact justifies the slower packing speed.

When to Consider Simpler Closures

High-Volume Packing Lines

If packing speed is critical, a standard square carton with an auto-bottom and a simple tuck top will be faster to erect and close than this five-sided, interlocking package.

Heavy or Dense Products

The unglued snap-lock bottom relies on friction and interlocking hooks. For heavier items, a glued crash-lock base or a reinforced tray may be necessary to keep the bottom from disengaging.

E-commerce Shipping

The decorative pinwheel top and friction-locked base are intended for presentation, not transit. If the primary route is direct-to-consumer parcel shipping, compare this to a corrugated mailer, or plan to place this carton inside a protective outer shipper.

Board Thickness, Friction, and Weight Limits

Board Caliper and Flexibility

The intricate overlapping of the top pinwheel closure is highly sensitive to board thickness. A high-quality folding boxboard (FBB or SBB) is required. If the board is too thick or stiff, the top flaps will bind, crease, or fail to lock smoothly.

Surface Finishes on the Locking Flaps

The five flat wall panels offer excellent surfaces for premium finishes like foil stamping or embossing. The curved top flaps can also be printed, but heavy varnishes or coatings on these flaps may increase friction, making the push-in closure harder to engage.

Bottom Weight Capacity

Because the five-panel bottom is held together by interlocking hooks rather than glue, its weight limit depends entirely on the board choice and the product's weight distribution. Testing with a physical sample helps confirm the fit.

Flat Delivery and Storage

The carton is manufactured with a single glued side seam and ships flat. This provides excellent storage density, but packers will need space to pop the sleeves open and assemble the bottoms before loading.

Scaling and Closure Adjustments

Scaling the Five-Sided Profile

The width of the five wall panels and the overall height can be scaled to fit the product. The pentagonal footprint can be widened or narrowed as needed.

Adjusting the Pinwheel Dome Height

The curves and angles of the top locking flaps dictate how high the spiral dome sits above the box walls. Modifying these curves changes the aesthetic but requires careful validation to ensure the flaps still interlock correctly.

Modifying the Bottom Hook Extensions

The depth of the interlocking hooks on the bottom flaps can be adjusted. Longer hooks may provide a more secure floor but can make manual assembly more difficult.

Packing details

Flat Delivery and Sleeve Erection

The carton is manufactured with a single glued side seam and ships flat. The packer applies pressure to the edges to pop the sleeve open into its five-sided shape before locking the bottom.

Additional notes

Pinwheel Closure Sequence

The top pinwheel is formed by folding the five curved flaps inward sequentially. The final flap must be tucked under the first flap to create the tension lock that holds the dome together.

Related Specialty Cartons

FAQs

Can this box be erected on automated packaging lines?

The five-panel snap-lock bottom and the sequential pinwheel top closure are complex to automate and are typically assembled by hand.

Does the bottom of this box require glue?

The bottom uses a five-panel snap-lock mechanism that secures the floor without adhesive. The flaps have diagonal creases and hook extensions that interlock to hold the base together.

Can this be made from corrugated board?

Corrugated board is generally too thick for this package. The overlapping top flaps and interlocking bottom hooks require the flexibility and thinner profile of folding carton board (such as FBB or SBB) to close properly without binding.

How much weight can the snap-lock bottom hold?

The bottom is secure for lightweight items like cosmetics or chocolates. Because it is not glued, heavy concentrated loads could cause the interlocking flaps to bulge or disengage. Physical testing with your exact product helps confirm the fit.

How does this box handle parcel shipping?

This carton is designed for retail display and presentation. For parcel shipping, it should be placed inside a corrugated outer shipper to protect the decorative closures and maintain the unboxing experience.

Why is a physical sample important for this package?

A sample verifies that your chosen board thickness allows the top spiral to fold smoothly without cracking, and confirms that the bottom hooks lock securely without tearing during assembly.

Can the top pinwheel flaps be printed or foiled?

The top flaps can accept printing and foil. However, heavy varnishes or thick foil applications on the overlapping sections may increase friction, making the push-in closure harder to engage.

How is the box delivered to the packing facility?

The carton is manufactured with a glued side seam and delivered flat. Packers pop the sleeve open, interlock the bottom, load the product, and fold the top closed.

A striking five-sided presentation for products that demand a memorable unboxing experience.