EVF91002

Paperboard Envelope

  • 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.
Get pricing

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.

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.

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.

Free white-glove consultations. Blazing-fast response time. Fast quotes.

Product details

Top highlights

  • Flat pocket design with zero internal depth
  • Arrives pre-glued and ready for insertion
  • Requires paperboard; not suitable for corrugated

About this product

The EVF91002 is a classic flat paperboard envelope designed for documents, gift cards, photos, and thin apparel accessories. It features a central pocket formed by glued side and bottom flaps, leaving a large, uninterrupted front panel for branding and graphics.

Because it folds completely flat with no internal depth, it takes up minimal space during storage and fulfillment. It is intended as a presentation sleeve or inner pack, rather than a standalone rigid shipping container.

Common uses

  • Gift card presentation
  • Document folders
  • Thin apparel (e.g., scarves, socks)
  • Software or media sleeves

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.

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.

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.

Files or competing quote (optional)
Optional

More details

You can skip this whole part, or open a section and answer only what you know.

Size and quantity
Units
Materials and print
Add details for paperboard preference
Add details for print and artwork
Current box or specs
Add details for do you have a current box, spec, or target sample?

Practical Uses for the Paperboard Envelope

Gift Cards and Retail Vouchers

The flat profile and large printable surface make it an excellent presentation sleeve for gift cards, tickets, and retail vouchers.

Documents and Welcome Packets

Well-suited for holding printed materials, photographs, or welcome packets that do not require a rigid 3D box.

Thin Apparel and Textiles

Fits flat, flexible items like scarves, socks, or pocket squares that can slide into a simple paperboard pocket.

Flat Tech Accessories and Media

Useful for enclosing screen protectors, thin cables, or software media that need a branded paperboard sleeve.

Industry and Fulfillment Fit

High-Volume Insertion Lines

Because the side and bottom flaps are glued during manufacturing, the envelope arrives as a finished pocket. Packers simply slide the product in and seal the top flap, supporting fast manual or automated insertion.

Premium Retail Presentation

The uninterrupted front and back panels provide a broad canvas for offset printing, foil stamping, and embossing, allowing for high-end branding.

Subscription and Direct Mail Inserts

Often used as an inner branded sleeve inside a larger mailer, keeping flat items organized and presentable upon opening.

When to Consider a Rigid Mailer or Slipcase

Shipping fragile items through parcel networks

This envelope offers no crush resistance. If the product needs protection from bending or impact during shipping, a rigid corrugated mailer is a safer choice.

Packing items with physical depth

The EVF91002 folds completely flat. If the product is thicker than a few sheets of paper or a thin textile, a shallow roll-end tuck-front box or a slipcase will provide the necessary internal clearance.

Closure and Material Choices

Top Flap Closure Method

Decide how the envelope will be sealed after fulfillment. Common options include a pre-applied peel-and-seal tape strip, a moisture-activated adhesive, or a branded sticker.

Paperboard Grade and Fold Behavior

Select a paperboard that supports the required print quality while remaining thin enough to fold 180 degrees cleanly without cracking.

Print Surface and Coating

Determine whether the design requires a coated surface for high-fidelity graphics or an uncoated surface for a natural, tactile feel.

Fulfillment Handling

Consider whether the envelopes will be packed by hand or fed through automated insertion equipment, as this can influence the choice of closure and board stiffness.

Flap and Profile Adjustments

Flap Angles and Overlap

The taper of the top and bottom flaps can be adjusted to ensure there is enough surface area for the glue seams without the flaps interfering with each other.

Closure Flap Profile

The shape of the top sealing flap can be modified to match branding requirements or to accommodate specific taping methods.

Base Width and Height

The overall footprint can be scaled to fit specific document sizes, gift cards, or custom inserts.

Packing details

Manufacturing Routing

These envelopes are typically processed on straight-line folder-gluers, arriving at the packing facility as pre-glued, ready-to-use pockets.

Additional notes

Board thickness and fold cracking

Because the flaps fold completely back on themselves, choosing the correct grain direction and board caliper is critical to prevent the paperboard from cracking along the creases.

FAQs

Can this envelope be made from corrugated board?

No. The design relies on 180-degree flat folds to form the pocket. Corrugated board is too thick and will bind or resist gluing. It requires folding carton paperboard.

Does the envelope ship flat or pre-assembled?

It ships flat, but the side and bottom flaps are glued during manufacturing. It arrives at your facility as a ready-to-use pocket, requiring only product insertion and top flap sealing.

How is the top flap secured?

The top flap does not have a mechanical lock. It must be secured using a peel-and-seal tape strip applied during manufacturing, a glued seal, or a branded closure sticker.

Is this suitable for mailing items on its own?

It depends on the product. While suitable for mailing flexible documents or textiles, it offers no rigidity. Fragile items will require a rigid outer mailer to prevent bending in transit.

Where can graphics be placed?

The envelope offers large, uninterrupted flat surfaces on both the front and back, providing ample room for offset printing and premium finishes.

Can it hold thick items?

No. The envelope has zero built-in depth. It is designed strictly for flat items. For thicker products, a shallow carton or slipcase is required.

Can I use this on automated packing lines?

Yes. Because it arrives as a pre-glued pocket, it can be fed into automated insertion equipment, provided the closure method aligns with the machinery.

What paperboard thickness is typical for this envelope?

It is usually produced with paperboard around 0.5 mm thick. This allows the flaps to fold 180 degrees cleanly without cracking the board or binding the seams.