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ECMA E31.20.00.00

Trapezoidal Wrap-Around Sleeve

  • 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

  • Angled side walls match tapered trays and tubs
  • Open ends maintain primary product visibility
  • Delivered flat for manual or automated wrap-around gluing

About this product

The E31.20.00.00 is an open-ended carton sleeve with angled side walls, designed to wrap tightly around tapered primary packaging like food trays, tubs, or blister packs. By matching the draft angle of the inner container, it provides a secure friction fit and a large, uninterrupted surface for retail branding.

Because the front and back remain completely open, this sleeve relies entirely on the primary product for structural support and retention. It is typically delivered as a flat blank and glued around the product during fulfillment.

Common uses

  • Chilled food trays
  • Cosmetic tubs
  • Multi-pack bundling of tapered items

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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Retail Wraps For Tapered Containers

Tray and Tub Sleeves

Wrapping tapered food trays or cosmetic tubs where a standard vertical sleeve would leave loose gaps. The angled walls hug the primary container, keeping the branding surface taut.

Multi-Pack Bundling

Grouping identical tapered items together on a retail shelf, using the glued top overlap seam to hold the bundle under tension.

Primary Packaging Wraps

Adding a printable branding band around self-contained primary containers that do not need full enclosure, allowing the product to remain visible.

Retail Display Bands

Creating a distinct shelf presence where the angled walls stand out from standard vertical boxes while keeping the product accessible.

Food, Beverage, And Cosmetics Packaging

Deli and Bakery Trays

Wrapping clear plastic or foil trays to provide nutritional information and branding without hiding the food inside.

Cosmetics and Personal Care

Branding tapered tubs or jars where a tight friction fit is needed to keep the sleeve from slipping off during retail handling.

Club Store Multi-Packs

Bundling identical tapered items together for bulk retail sale, relying on the tight wrap to hold the bundle under tension.

When To Consider Straight Walls Or Closed Ends

Need for standalone shipping

If the package will be shipped individually through a courier network, the open ends offer no protection. Consider a fully enclosed folding carton or mailer.

Straight-sided primary products

If the inner product is a perfect rectangle, the angled walls will buckle or will not fit correctly. Consider a standard rectangular sleeve.

Fulfillment Route And Overlap Tolerances

Packing Line Capabilities

This sleeve is typically wrapped around the product and glued on the packing line. Verify whether your equipment can apply adhesive and compress the top flaps over the product, or if manual assembly fixtures are needed.

Grain Direction

To prevent the long top and bottom panels from bowing, the board grain should run perpendicular to the main longitudinal creases.

Primary Product Rigidity

The sleeve relies entirely on the inner tray or tub for vertical stacking strength. Heavy pallets require the primary container to bear the load.

Friction Fit Tolerances

Checking the exact draft angle of the primary container is necessary to ensure the sleeve hugs the product tightly without buckling.

Adjusting The Wall Slant And Overlap

Wall Slant Angle

The angle of the side walls is determined by the difference between the base width and the top width. Adjusting these dimensions changes how steeply the walls lean inward to match your product.

Top Overlap Width

The width of the glued top seam can be adjusted to accommodate different adhesive application methods or machine tolerances.

Sleeve Depth

Extending or reducing the length of the sleeve changes how much of the primary product is covered by the branding surface.

Board and packing details

Adhesive and Surface Finishes

Ensure the overlapping top flaps have a designated varnish-free zone if using liquid adhesive during final packing.

Handle And Closure Variations

Asymmetric Top and Bottom Widths (E31.20.00.00.A)

A variant that explicitly splits the top and bottom width parameters, allowing for precise control over the trapezoidal draft angle to match specific tray shapes.

Additional notes

Outer Shipper Requirements

Because the ends are open and the angled walls offer limited vertical crush resistance, these sleeves must be packed into a sturdy master carton for pallet or parcel distribution.

Varnish-Free Glue Zones

If the sleeve will be fully printed or coated, the packing line will need a designated unvarnished strip on the top overlap to ensure the adhesive bonds correctly.

Related Sleeves And Wraps

E30.20.00.00: Rectangular Wrap-Around Sleeve

Worth comparing for straight-sided products that do not require angled walls.

E31.22.00.00: Wrap-Around Sleeve With Handle

Worth comparing if the retail presentation requires a built-in carrying handle on the closed side panels.

FAQs

Quantity or production path

Can this sleeve be pre-glued by the manufacturer?

Wrap-around sleeves are typically shipped as flat blanks. The gluing happens during fulfillment as the carton is wrapped around the primary product.

Route/shipping

Will this protect my product during shipping?

This sleeve is designed for retail presentation and primary container branding. Because the ends are completely open, it requires an outer master carton for transit.

Inserts and product fit

How do I ensure the sleeve fits my tray tightly?

The base width, top width, and height must be matched to the exact draft angle of your primary container. A physical fit test is highly recommended to verify friction retention.

Board and finish behavior

Can I use thick corrugated board for this sleeve?

Thick corrugated flutes can make the tight wrap-around folding difficult and may cause the angled creases to bind. Folding carton board is usually a better choice for the required crease memory.

Closure

Does this package lock without glue?

This specific template relies on an adhesive seam where the two top flaps overlap. It does not feature mechanical locking tabs.

Inserts and product fit

How does the product stay inside the sleeve?

The product is held in place by friction and the matching trapezoidal shape. If the primary container is slippery or heavy, it may slide out of the open ends during rough handling.

Samples/prototypes

Should I test a blank before ordering a full run?

Because this sleeve relies on a tight friction fit against a tapered container, testing a physical sample with your exact product is highly recommended to ensure it does not slip.

Related-box choice

What if my product has straight, vertical sides?

If the primary container is a perfect rectangle, the angled walls of this sleeve will not fit correctly. A standard rectangular wrap-around sleeve is a better choice for vertical walls.