Easy Box Packaging

Kraft Boxes

Wholesale Custom Flexible Kraft Mailers

Wholesale custom flexible kraft mailers give ecommerce, subscription, and small-product shipments a natural kraft presentation in a lightweight foldable format. Share the packed dimensions, product weight, closure route, panel orientation, print coverage, and finish direction so the flexible construction can be reviewed around the actual shipment.

Last updated

Starting at$0.31per unit on bulk orders
Minimum order
50 units
Production timing
From 7 business days after digital proof approval

Working quote

Configure your custom flexible kraft mailer

Step 1 of 2

Kraft mailer setup

Size and print choices first. Contact details come next.

Units
Finish
Minimum order50 units
Production timingFrom 7 business days after digital proof approval
ShippingFree US shipping
Dieline and proof reviewIncluded on the standard fulfillment path

Product brief

A flexible kraft mailer planned for the shipment

Wholesale custom flexible kraft mailers are foldable paper-led packages for products that need a contained outer wrap without the fixed walls of a rigid carton. The useful decision is how the mailer will be filled, closed, handled, and opened. Describe the packed item, its widest points, the number of pieces per mailer, and whether a sleeve, tissue, card, or small inner carton stays with the shipment. The natural kraft surface can remain visible behind a restrained print treatment, but the final material and construction must be confirmed against the product brief.

This format is flexible rather than a substitute for a crush-resistant box. A soft bundle, apparel item, stationery set, light accessory, or small retail pack may suit a mailer-style brief; a heavy object, sharp projection, or fragile item may need an additional inner pack or a more structured box. The standard fulfillment path starts at 50 units and production is from 7 business days after digital proof approval. Pricing stays quote-only because size, stock, closure, artwork, finish, and quantity change the specification.

What should be measured before sizing?

Measure the product as it will actually enter fulfillment: packed length, width, thickness, approximate weight, count per mailer, orientation, and the widest corners or projections. Include any retail carton, tissue, insert, sleeve, or protective wrap that remains inside. A folded garment should be described as a folded bundle; a card set should include its belly band; a boxed accessory should be measured in its carton. These details establish the usable interior and the space needed for the flap, seam, and closure.

The outside footprint is not the same as usable interior space. Fold allowances, seams, flap overlap, and the selected stock occupy part of the package, so the quote should be based on the finished packed arrangement rather than a generic nominal size. If two orientations are possible, state which face should greet the recipient and which side should carry the primary printed panel.

How does the closure affect the flexible format?

The closure determines the packing motion and the opening moment. A tuck-in flap can keep the mailer clean on the outside, while a peel-and-seal strip can support a quick packing line. A tear strip may define the recipient opening when the brief calls for it. Confirm whether the package is intended for one opening, a repeat-use route, or a separate overwrap; do not assume a resealable feature without a product-specific reason.

The flap must close over the filled item without pressing a hard corner into the fold or hiding required artwork. The digital proof is the right point to review flap overlap, side seams, score lines, opening direction, and any print that approaches a fold. If the packed contents change, the mailer should be rechecked rather than treated as the same size by default.

Use the kraft surface as part of the print brief

Kraft Paperboard, Corrugated Board, and SBS Paperboard are category material directions to compare with the packed weight, flexibility, fold pattern, and desired surface character. Uncoated kraft can keep visible fiber character and a low-glare appearance. A controlled one- or two-color treatment can let the brown tone participate in the palette, while broader coverage or a lighter panel may be reviewed when contrast matters. These are directions for specification, not promises about a fixed board weight or coating.

Artwork should map the front, back, side, and flap panels on the assembled mailer. The product images show an illustrative print layout. Production artwork must use the buyer's approved brand and required information. Matte Lamination, Spot UV, Foil Stamping, and Embossing/Debossing can be considered for selected areas subject to artwork scale, fold placement, and material review.

Prepare a wholesale quote brief

Send the packed dimensions, product count, approximate weight, edge notes, preferred closure, material direction, artwork status, print coverage, finish request, quantity, and delivery destination. A photo or sketch of the packed arrangement helps the reviewer understand the opening and the panel that should face the customer. Explain whether the mailer must sit flat in a shipping carton, carry a return note, or show a message inside the flap.

Easy Box Packaging includes free US shipping and dieline and proof review on the standard fulfillment path. Quote requests are typically answered the same business day and always within 24 hours. A sample kit ships for a $44.99 USD charge credited toward the first order when you need to compare kraft surface character, fold behavior, closure feel, or print contrast in hand.

Confirm the assembled proof before production

Review the digital proof as an assembled package, not only as a flat artwork sheet. Check the packed fit, panel orientation, flap overlap, seam position, opening route, printed reading direction, and any finish near a fold. Confirm that the selected material direction and flexible profile agree with the item being shipped. The proof should also show where return information, handling notes, or a small interior message will sit after the mailer is closed.

A well-specified flexible kraft mailer connects paper character, usable interior, closure, print panels, and the real fulfillment route. When the brief names those decisions clearly, the review can keep the package practical without assigning rigid-box performance to a flexible format.

Proof points

What the assembled kraft mailer proof should make clear

The proof should connect the flexible construction to the actual packed item so fit, closure, print orientation, and surface direction can be checked together.

Packed fit
The represented product, carton, tissue, or card uses the dimensions, thickness, and edge notes supplied for the quote.
Closure relationship
The flap, adhesive area, tear line, seam, and packed contents are shown in their intended folded position.
Material direction
The kraft paperboard or approved flexible stock direction is considered with the product weight, fold pattern, and handling route.
Artwork map
Brand text, product information, return details, panel orientation, and selected finishes are reviewed on the assembled mailer.
Close-up of flap overlap, folds, and green print on a flexible kraft mailer

A flexible kraft format matched to the packed product

The product's packed footprint, fold pattern, flap overlap, panel orientation, print coverage, and closure route determine whether a flexible mailer is a practical fit. Share those variables before the artwork is treated as final so the review follows the assembled package.

Close-up of flap overlap, folds, and green print on a flexible kraft mailer
Package structure
Flexible kraft mailer with a foldable body and closeable flapThe final stock, seam, flap, and opening detail are confirmed during specification review.
Sizing basis
Packed length, width, thickness, count, weight, widest points, and orientationDescribe the item as it will actually enter the mailer.
Closure directions
Tuck-in flap, peel-and-seal strip, or tear direction selected for the packing and opening routeClosure selection depends on the filled package and recipient experience.
Material directions
Kraft Paperboard, Corrugated Board, or SBS Paperboard considered against the use caseConfirm the final substrate, flexibility, and surface character during the quote.
Finish directions
Matte Lamination, Spot UV, Foil Stamping, or Embossing/DebossingFinish placement remains subject to artwork scale and fold review.
Order starting point
50 unitsVerified standard fulfillment minimum.
Production estimate
From 7 business days after digital proof approvalTiming starts after proof approval.

Bring the variables that shape the mailer

A specific shipment brief keeps the kraft mailer discussion tied to fit, handling, and print placement instead of a generic envelope.

Packed fit

Provide the finished length, width, thickness, count, weight, orientation, and any carton, tissue, insert, or projection that stays with the shipment.

Closure and handling

Describe the flap, peel-and-seal or tear direction, packing motion, opening route, and whether the format is single-use or repeat-use.

Artwork and surface

State the main panel, required copy, kraft tone preference, print coverage, finish direction, and any information that must remain readable after folding.

How to request a wholesale custom kraft mailer quote

A quote is easier to evaluate when the mailer, packed contents, closure, print map, and delivery route are described together rather than reduced to a size or color name.

  1. 1.0

    Describe the packed shipment

    Provide length, width, thickness, count, weight, orientation, inner wrap or carton, and any corner or projection notes.

  2. 2.0

    Choose the closure route

    State the flap, peel-and-seal, tear, or other opening direction, plus how the package will be filled and handled.

  3. 3.0

    Share the artwork brief

    Identify the main panel, required copy, brand colors, print coverage, kraft tone preference, and finish direction.

  4. 4.0

    Review the assembled proof

    Confirm fit, flap overlap, seam position, printed orientation, surface character, and selected finish before production begins.

Check the kraft surface and fold in hand

A sample kit ships for a $44.99 USD charge credited toward the first order, useful when you need to compare paper character, flexible fold behavior, closure feel, or printed contrast before approving a wholesale mailer.

Shipping charge: $44.99. Credited toward your first order.

Request a Sample Kit

Questions before production.

Find clear answers about fit, materials, and ordering below.

Match the mailer to the shipment

Get a wholesale custom flexible kraft mailer quote

Send the packed dimensions, product count, closure preference, artwork status, quantity, finish direction, and delivery destination. Easy Box Packaging can then review fit, panel orientation, kraft surface, and the flexible opening route as one quote-ready brief.

Add your product details to see a quote summary.

Order a sample kitRequest a quote