Custom Packaging Inserts

Custom Mailer Boxes with Inserts

Made-to-order mailer Boxes with Inserts in e-flute corrugated, printed to your artwork and cut to your dimensions.

Minimum order
100 units
Production
3–5 business days
Construction
mailer box
Delivery
US, UK, Canada, Australia

No obligation

Quote it for the journey it makes

Name, email, phone and what you are packing and how it ships. Attach artwork if you have it. We reply with a specification and a written price, usually within one business day.

The more detail you give, the more accurate the quote.

Drop files here or browse

PDF, AI, EPS, SVG, PNG, JPG, WEBP or ZIP. Up to 5 files, 10 MB each.

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    How custom mailer boxes with inserts fail, and what prevents it

    The insert makes the box a size larger, pushing it into a higher dimensional weight band on every parcel.

    A fitted insert usually lets the box get smaller, not larger — because void fill and clearance are no longer needed.

    What custom mailer boxes with inserts have to cope with

    Custom Mailer Boxes with Inserts hold a product shipped direct, where the insert protects in transit and presents on opening. That is the starting point for the specification, because a fitted insert usually lets the box get smaller, not larger — because void fill and clearance are no longer needed.

    In service they are used for direct-to-consumer despatch where the unboxing matters and freight is a recurring cost.

    Where custom mailer boxes with inserts are actually used

    Custom Mailer Boxes with Inserts are specified for direct-to-consumer despatch where the unboxing matters and freight is a recurring cost. A fitted insert usually lets the box get smaller, not larger — because void fill and clearance are no longer needed.

    • Direct-to-consumer despatch where the unboxing matters and freight is a recurring cost
    • Direct-to-consumer shipping
    • Subscription boxes
    • Influencer and PR sends

    Holding the contents in place

    Where a product needs to be held still, a fitted insert cut to its profile does more for damage rates than a heavier outer board. It usually costs less too, because you can drop a grade on the outer.

    • Interior print
    • Tear strip
    • Double-sided tape strip
    • Custom insert
    • Branded tissue

    The substrate for custom mailer boxes with inserts

    Corrugated mailer with a die-cut board insert, specified together so the outer can be right-sized.

    The options we would consider for this format are below; a fitted insert usually lets the box get smaller, not larger — because void fill and clearance are no longer needed.

    • E-flute corrugated
    • F-flute corrugated
    • White-top E-flute
    • Kraft E-flute

    Sizing custom mailer boxes with inserts

    Cavity-driven, sized so the pack still fits an economical shipping band.

    Send the contents rather than a box size. An insert is added to an existing box size without checking whether the pack could instead have got smaller.

    Getting them to you, and onward

    Mailers arrive flat and score-folded, ready to assemble by hand in a few seconds each.

    Delivery windows are confirmed in writing when your order moves into production, and we flag any risk to the date before you approve rather than after.

    What moves the price

    Four things drive a quote more than anything else: the quantity, the print route, the board grade and the number of finishing passes. Dimensions matter too, but usually through how efficiently the shape nests on the press sheet.

    Prices start from $0.30 per piece for large-volume orders. If a cheaper route exists we say so at quoting rather than after the invoice.

    What we need from you

    The useful starting point is the product, not the pack. Give us its measurements and the quantity, and we work the mailer box outward from there.

    We send a dieline sized to your product, check your artwork and issue a proof. For shipping formats we will also flag it if the pack looks a size larger than it needs to be.

    Testing the fit first

    We can produce a plain unprinted sample so you can check the fit and structure of custom mailer boxes with inserts before committing.

    Sample costs are normally credited against the production order.

    Reference

    Custom Mailer Boxes with Inserts at a specification level

    ProductCustom Mailer Boxes with Inserts
    CategoryCustom Packaging Inserts
    ConstructionRoll-end tuck-front, tape-free assembly
    Board gradeE-flute or F-flute corrugated
    Ships asFlat with pre-scored folds
    MaterialsE-flute corrugated, F-flute corrugated, White-top E-flute, Kraft E-flute
    PrintingDigital press, Flexography, Litho-lamination
    FinishesMatte lamination, Gloss lamination, Soft-touch lamination, Spot UV, Interior flood print
    Minimum orderMinimum order is 100 units on any format, and unit cost falls sharply as the quantity rises.
    Lead time3 to 5 business days after artwork approval
    ShippingAcross the US, UK, Canada and Australia

    Specification builder

    Specify Custom Mailer Boxes with Inserts in under a minute

    Set what you know, leave the rest. Everything here travels with your request, so nothing gets retyped.

    • 100-unit minimum
    • 3–5 day production
    • Free dieline
    • No obligation
    Approximation only — proportions, colour family and finish character. Not a colour proof, and the panel shown is a placeholder, not your artwork.
    Packaging type
    Box style
    Quantity
    Colour
    Material
    Printing
    Finish

    Drop files or browse

    Up to 5 files, 10 MB each.

      Prices start from $0.30 per piece for large-volume orders. Final pricing depends on size, material, printing, finishes, and quantity.

      In transit

      What this build protects against

      Dimensions and clearance

      Cavity-driven, sized so the pack still fits an economical shipping band.

      The damage this prevents

      The insert makes the box a size larger, pushing it into a higher dimensional weight band on every parcel.

      Where it has to work

      Specified for direct-to-consumer despatch where the unboxing matters and freight is a recurring cost.

      The detail that matters

      A fitted insert usually lets the box get smaller, not larger — because void fill and clearance are no longer needed.

      This format sits in our custom packaging inserts range, alongside 20 other made-to-order formats.

      Answers

      Ordering custom mailer boxes with inserts: the usual questions

      Specification, minimums and lead times for custom mailer boxes with inserts.

      Will adding an insert make my parcel bigger?

      Usually smaller. Once the product is held still you no longer need clearance or void fill, so the box can shrink — which frequently drops a dimensional weight band and pays for the insert.

      Will a heavier board reduce my damage rate?

      Only if boxes are arriving crushed. If they arrive intact with damaged contents, the product is moving inside and a heavier outer changes nothing. A fitted insert solves that case, usually at lower cost.

      Do you supply inserts with the outer?

      Yes, and for custom mailer boxes with inserts we prefer to specify both together. A cavity that holds the contents still often lets us drop a grade on the outer, so the pair can cost less than an over-specified box alone.

      How do I reduce dimensional weight?

      Measure the product rather than the box currently in use. Most operations we quote are running at least one size too large with void fill compensating, and dropping a band saves on every parcel custom mailer boxes with inserts carry.

      Should the outside be printed?

      That is a brand decision, not a cost or protection one. For direct-to-consumer parcels where the customer opens it, print can be worth it. For business deliveries it usually is not.

      Can I order custom mailer boxes with inserts in a custom size?

      Every run is cut to your dimensions — there are no stock sizes here. Send the product measurements rather than a box size and we will build the mailer box around them, then send a dieline template you can design onto.

      What happens after I approve the quote?

      We issue a dieline template sized to your product, prepress checks your artwork against it, and a proof comes back for sign-off. Nothing runs until you approve that proof, and mailer boxes then take 3 to 5 business days.

      Can you hold the specification for repeat orders?

      Yes. Once a first run is approved we hold the board, structure, dimensions, print method and finishes against your account, so a reorder references the same specification exactly rather than being re-derived. It also means a reorder can be priced against a larger quantity without re-opening the specification.

      Do you offer recycled or recyclable options?

      Recycled grades are available across most of the substrates we run for mailer boxes. Recycled content, kerbside recyclability and certified compostability are three different claims though, so tell us which one you intend to print.

      What file format should I send artwork in?

      A print-ready PDF or a vector file, with fonts outlined and any raster images at 300 dpi at final size. We supply the dieline to design onto, and prepress checks bleed, safe area and crease clearance before issuing a proof. The dieline we supply carries the crease positions, so keeping type clear of a crease is easier to solve at layout than at proof.

      What is the minimum order for custom mailer boxes with inserts?

      A flat 100 units on any format. Most mailer boxes in this range are quoted from 100 units upward because unit cost falls sharply above that, but the minimum exists so you can validate a structure first.

      How long do custom mailer boxes with inserts take to produce?

      3 to 5 business days after artwork approval, plus freight. Mailer box runs with applied finishes can take longer because each finish is a separate pass, and we confirm a firm date in writing with the quote.

      Next step

      Start on Custom Mailer Boxes with Inserts

      Send the dimensions, the quantity and how it ships. We reply with a full specification and a written price, usually within one business day.