Custom Mailer Boxes Cost: Pricing by Size, Print and Quantity

Custom mailer boxes cost roughly $0.75 to $8.83 each, depending on three things: how big the box is, how much of it you print, and how many you order. A compact 8x6x3 in E-flute mailer printed on the outside is about $0.83 at 5,000 units. A 12x9x4 in subscription mailer printed on both sides with an insert and tear strip is about $8.83 if you order only 10.

Of those three levers, quantity moves the price most, but size is the one brands underestimate. A mailer that grows by a couple of inches in each direction uses far more corrugated board, and board is the largest part of a mailer's cost.

This guide isolates each lever with real numbers from our E-flute rates, shows what add-ons really cost, and gives you a way to pick the cheapest mailer that still does the job.

Key takeaways

• Board area is the biggest cost inside a mailer. Moving from 8x6x3 in to 10x8x4 in raises the price far more than adding inside printing does.
• Inside printing is a modest adder compared with size, and printing only the inside lid trims it further.
• A mailer at 50 units costs roughly two and a half times its 1,000-unit price; at 10,000 units it costs roughly two-thirds.
• Tear strips add a small per-unit cost with no tooling; a custom insert adds per-unit cost plus a $45 die, and foil adds a $60 tool.
• Kraft versus white liner matters less to price than size, print coverage or quantity.
• Check any spec in the mailer box price estimator, which uses the same rates as this guide.

What you are paying for in a printed mailer box

A mailer box is die-cut from a single sheet of E-flute corrugated, creased, and shipped flat. There is no hand assembly and usually no glue, so the cost breaks into a few clear parts.

The flat blank for a mailer is much bigger than the closed box. It includes the base, the double-thickness rolled side walls, the lid, the tuck flap and the locking ears, plus trim around the die. That is why every added inch shows up in the price. Our corrugated board page explains E-flute and B-flute grades in more detail.

Lever 1: mailer box size

Size is the lever you control at the design stage, and it keeps paying back on every reorder.

How much a bigger mailer costs

Compare the two standard mailer specs at 1,000 units. The 8x6x3 in box printed outside is about $1.17. The 10x8x4 in box printed inside and outside is about $1.92. The difference is roughly seventy-five cents per box.

Only a small part of that gap comes from inside printing. Working through our rates, well over three-quarters of it is the larger blank: roughly 70 percent more board for a box that is two inches longer, two inches wider and one inch deeper.

Size and dimensional weight

A larger mailer can also cost more to ship. Parcel carriers price many packages by dimensional weight, calculated from the outer dimensions rather than the actual weight. A lightweight product in a roomy box can be billed as if it were heavier. Confirm current dimensional weight divisors with USPS, UPS or FedEx for your service level, and see our guide on dimensional weight and packaging for how to calculate it.

Right-sizing in practice

Say you sell a candle set that packs to 7.5x5.5x2.6 in with tissue. A 10x8x4 in mailer would leave empty space that needs void fill. An 8x6x3 in mailer fits with a small clearance, uses less board, needs no fill and may drop into a lower postage band. Same product, cheaper box, better presentation.

Custom sizes do not carry a size premium

Because Box Sense charges no die or plate fees, a mailer cut to your exact dimensions is priced on its board area and spec, not on whether the size is a common one. An 8.25x5.75x2.5 in mailer built around your product is not penalized for being unusual. That removes the main reason brands settle for an off-the-shelf size that is slightly too big, and it means every fraction of an inch you trim comes straight off the board cost.

Tip: before settling on a size, measure the product as it will actually ship, including tissue and any card. Then ask for a free unprinted structural sample at that size. It is the cheapest way to confirm you are not paying for air.

Lever 2: print coverage and liner

Print is where mailers become brand pieces, and where costs can be tuned without touching protection.

Outside only versus inside and outside

Printing the interior adds a second print pass. At 1,000 units, our rates put the inside print adder at roughly twelve cents per box over outside-only full color; at 100 units, with the short-run multiplier applied, it is a little over a quarter. That is real money on a large program, but modest next to size.

If budget is tight, you have middle options:

• Print only the inside lid with a message or pattern
• Print the inside in a single color while the outside stays full color
• Keep the outside minimal and put the full-color artwork inside, where it is not scuffed or covered by labels

Full color versus one color

One-color print, especially on kraft, costs less than full-color CMYK. It also hides scuffs well and looks intentional. Full color makes sense when artwork includes photography, gradients or several brand colors.

Kraft or white mailers

Kraft mailer boxes use a natural brown outer liner, and white mailer boxes use a bleached white liner. Liner choice has a smaller effect on price than size, print coverage or quantity. The bigger cost question is how you print on it: pale colors on kraft need an opaque white ink underlay to stay visible, which adds to the print cost.

Lever 3: quantity and price breaks

The quantity multiplier is the most dramatic lever. The same 8x6x3 in, full-color-outside mailer changes price like this:

Where the best value is

The steepest drop sits between 100 and 500 units, where the price per mailer nearly halves. Beyond 2,500 units, each doubling of quantity saves less than a fifth per box, because board and ink dominate.

Look at 250 versus 500: the total order rises by roughly two hundred thirty dollars, but you get twice as many boxes. If you ship 100 orders a month, 500 mailers last five months and cost far less per shipment than two separate orders of 250.

When a smaller order makes sense

Buying the larger tier is not always right. If your artwork is about to change, your product dimensions are not final, or storage is limited, a smaller run protects you from waste. Our guide to custom boxes with no minimum covers how to stage small orders before committing to volume.

Add-ons: what inserts, tear strips and finishes add

Add-ons are where a mailer box price can drift upward without anyone noticing. Some add only a per-unit cost; others add a one-time tool.

How tooling changes with order size

A $60 foil tool adds six cents per box on 1,000 mailers but six dollars per box on 10. On a very short run, skip embellishments or add them later on a larger reorder, when the tool is spread across many boxes and does not repeat.

Subscription mailer pricing: cost per shipment

Subscription programs are where mailer pricing matters most, because the box is repeated every cycle.

The standard 12x9x4 in subscription box spec includes full-color printing on both sides, a paperboard insert and a tear strip:

Planning for a subscription program

Say you have 400 subscribers and ship monthly. Ordering 500 mailers every month at about $3.12 costs roughly fifteen hundred sixty dollars each time. Ordering 2,500 at about $2.21 covers about six months for roughly fifty-five hundred twenty-five dollars total, compared with roughly ninety-three hundred sixty dollars for six monthly orders of 500.

That saving is only real if the artwork stays the same for six months. Many subscription brands solve this by keeping the mailer evergreen and changing a printed card, sleeve or printed tissue paper each month instead. The e-commerce and subscription page shows how those layers combine.

Mailer box price compared with other shipping options

Mailers are not always the cheapest way to ship, but they often win on total cost when presentation matters.

A carton inside a stock shipper can look cheaper, but you pay for two boxes and extra packing time. A rigid box costs several times more at the same footprint; our rigid box cost guide explains when that premium pays off. For a structural comparison, read mailer box vs shipping box vs folding carton.

Seven ways to lower printed mailer box cost

1. Shrink the box to the packed product. Less board, less fill, and often lower postage.
2. Standardize on one or two sizes. Fewer SKUs let you order each size at a higher quantity tier.
3. Print the inside lid only, or use one color inside.
4. Use aqueous coating instead of lamination unless the artwork needs protection.
5. Pick one embellishment and only on runs large enough to spread the tooling.
6. Keep the mailer evergreen and put seasonal or campaign messaging on inserts, cards or tissue.
7. Order by months of use, not by the lowest unit price. Compare cost per month across two or three tiers.

Watch out: switching from E-flute to B-flute to fix damage is not always the cheapest fix. If products are moving inside the box, a tighter fit or a simple insert usually solves the problem for less than a heavier board grade.

How to order custom mailer boxes from Box Sense

Our custom mailer boxes are made to your internal dimensions, and the mailer boxes style page shows tuck-front, tuck top and other variations.

To get an accurate price, send:

• Internal length, width and depth, and the weight of the packed product
• Style preference, or a note asking for a recommendation
• Liner: kraft or white; board: E-flute or B-flute
• Print: outside only, inside lid only, or inside and outside; full color or one color
• Coating and any extras such as inserts, tear strips or foil
• Two or three quantities to compare, and your delivery location

Quotes are confirmed within 24 hours. Design support is free, including a dieline, artwork setup and a 3D digital proof with two revision rounds. Unprinted structural samples are free, and a printed sample of approved artwork is free on orders of 100 units or more.

Standard production is 8–12 business days after proof approval, with rush in 5 business days on most corrugated styles. The minimum order is 10 mailers, there are no die or plate charges, US shipping is free, and defective boxes reported within 14 days are reprinted free. For a full walkthrough of styles and artwork setup, see the custom mailer boxes guide.

Frequently asked questions

How much does a custom mailer box cost?

A custom printed mailer box typically costs about $0.75 to $3.99 for a compact 8x6x3 in E-flute size, depending on quantity: about $3.99 at 10 units, about $1.41 at 500 and about $0.75 at 10,000, with US shipping included. Larger sizes, inside printing and add-ons raise the price. Enter your size in the pricing estimator for an exact figure.

Does inside printing make mailer boxes much more expensive?

Inside printing adds a second print pass, but it is a smaller cost than most people expect. On a 1,000-unit order it adds roughly twelve cents per box over outside-only printing, while increasing box size from 8x6x3 in to 10x8x4 in adds several times that. Printing only the inside lid is a common way to get the effect for less.

Are kraft mailer boxes cheaper than white mailer boxes?

The liner itself has a smaller effect on price than size, print coverage or quantity. Kraft mailers become the cheaper option when you pair them with one-color print, because full-color artwork on kraft often needs an opaque white underlay that adds to the print cost. White liners give the brightest full-color results.

What is the price break for mailer boxes?

The largest drop in price per mailer happens between 100 and 500 units, where the price nearly halves. An 8x6x3 in printed mailer is about $2.64 at 100 units and about $1.41 at 500. After 2,500 units, savings slow because material costs dominate. Compare the total order cost and how many months of use each tier covers.

How much does a subscription box mailer cost?

A 12x9x4 in subscription mailer printed on both sides with an insert and tear strip costs about $5.85 at 100 units, about $2.60 at 1,000 and about $1.84 at 5,000. Keeping the mailer design evergreen and changing inserts or tissue each cycle lets you order at a higher tier and lower the cost per shipment.

Is there a setup fee for custom mailer boxes?

Box Sense does not charge die or plate fees for mailer boxes. One-time tooling applies only if you choose certain options: foil stamping and embossing are $60 each, spot UV is $40, and a custom paperboard insert die is $45. Tear strips, coatings, laminations and inside printing add only a per-unit cost.

How can I make mailer boxes cheaper without losing quality?

Right-size the box to the packed product, standardize on fewer sizes, print only the outside plus the inside lid, choose aqueous coating over lamination and keep embellishments for larger runs. Put campaign messaging on inserts rather than reprinting the mailer. These changes reduce board and print costs without weakening protection or the unboxing experience.

Next steps

Measure your packed product, then run two sizes and two quantities through the custom mailer box price estimator to see which lever saves you the most. When the spec is settled, request a mailer box quote and we will confirm pricing within 24 hours and send a dieline and 3D proof. For the bigger picture across every box type, the custom packaging cost guide and custom box price ranges by type are good next reads.