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Production of Custom Boxes takes longer than usual due to high demand. We apologize for the inconvenience this may cause.

Custom Mailer Boxes

  • Design online in minutes
  • Printed on sturdy corrugated cardboard
  • No glue or tape needed to assemble the box
  • No minimum quantity
Custom Mailer Boxes
Holiday Graphics
corrugated mailer box with custom insert

Take your mailers to the next level with
Custom Inserts

Our dedicated US-based packaging team will work with you throughout the process to design and order the perfect inserts for your mailers.

EMAIL A PACKAGING SPECIALIST

How to order


1
Customize it.
Select the perfect style, dimensions, and material at the top of this page.
2
Design it.
Use our intuitive online design tool to easily design your boxes. You can also send us a completed design.
3
Get it.
That's it! We'll produce and ship your custom boxes to your door. You now get to place your product inside for a striking branded look.
Need a Sample?
No problem! We can make you a single custom box with your own design and dimensions.
To order, set the quantity to “1 Sample” at the top of this page.

Create a memorable unboxing experience.


Deliver your customer's e-commerce orders, subscription boxes, and promotional kits in high-quality custom mailer boxes. Made of durable corrugated cardboard, every order is protected as it ships to your customer. They'll be excited to reveal your items in their next unboxing video.

Our custom mailer box printing services let you customize every detail, from choosing a custom size to executing the most intricate design.

Fold and Flap. As Easy as That.

The Roll End Tuck Front box is designed for easy and quick assembly with great protection. It comes scored to indicate which lines are for folding.

Send a Plethora of Products

Custom mailer boxes are used to deliver both purchases and promotional items:

  • E-commerce orders
  • Subscription boxes
  • Promotional kits
  • Gift boxes

Subscription boxes treat customers to a curated experience of your product. Some of the companies that commonly order these are:

  • Beauty & makeup
  • Wine & food samples
  • Clothing & retail

Shipped to You Right on Time

Custom mailer boxes take only 20 - 25 business days to produce before they are shipped.

Samples are shipped within 5 business days.

Size. Style. Material. It's all here, and more.












Custom Mailer Box Sizes

We produce your custom mailers in the exact size you need within the following ranges:

  • Length: 3" – 25"
  • Width: 2" – 25"
  • Depth: 1" – 15"

The sizes we show correspond to the interior dimensions. Depending on your box's application, you may want to add some clearance to each side to make sure your products fit perfectly.

Sustainable & Durable

Our custom mailer boxes are made of sustainable, recyclable, and sturdy corrugated cardboard. No extra packaging needed to send them in the mail.

Material Options

To start customizing your mailer box, choose from the following options:

Standard White Corrugated Cardboard

  • Popular, economical option
  • Made of sturdy, sustainable material
  • Uncoated finish

Premium White Corrugated Cardboard

  • Smooth surface with a luxury feel
  • Clay-coated for a whiter brighter finish
  • Best for luxury brands, gift boxes and promotional kits


  • *Select “Premium With Glossy Ink” for a high-gloss UV finish on printed areas*

Kraft (Brown) Corrugated Cardboard

  • Rustic brown kraft cardboard with a raw, natural look
  • Ideal for brands promoting natural products & ingredients

Material thickness

We automatically select a material thickness that works best for your box dimensions. If you require a specific thickness, please contact us.

  • 1/16" E-Flute Corrugated Cardboard
  • 1/8" B-Flute Corrugated Cardboard

How to Assemble Your Mailer Box

Custom Mailer Box FAQs


A: An order of 1 sample with your custom design & size will be shipped within 5 business days.

All other orders in large quantities require 20-25 business days for production.
A: Our online design tool is simple to use and lets you create a custom box design.

If you'd like to receive a dieline template based on your box specs, place your order first and we will create one for you.
A: The white cardboard suits designs that utilize light or bright colors and full-color images.

Select kraft if you want a rustic, natural-looking brown color to complement your design. This color works best on darker tones and palettes.
A: We can arrange for a kraft-like texture to appear on the premium or standard white cardboard. You can contact our customer service for more information. Otherwise, white ink will appear brown if you select kraft as your corrugated cardboard color.
A: Yes, you can print colors and designs on the inside and outside areas of the mailer box. Full-color printing is also available on only one side of the box, if you prefer.
A: With the box open toward you, here's how to get the correct measurements for the inside of the box:
  • The length is measured from the left to right side of the box.
  • The width is measured from the front to the back of the box.
  • The depth is measured from the top to the bottom of the box.

Reviews. See what our customers say.


"They are quick efficient and very well priced for whatever I have ordered so far. Quality is great...and they made sure it came out absolutely amazing."
Elite Dental Implant, Tarzana, CA
"It's not first time I've ordered from UPrininting and these guys always do a great job with colors. I will keep ordering from UPrinting for sure!"
Lana T. Lloyd, Harbor, NY

1,000,000+ business professionals trust us with their printing.


24/7 Customer Service

24/7 Customer Service

Excellent customer service anytime you need it.

Reliable. Always

Reliable. Always.

The box you want. The way you want. Professional results guaranteed.

Free File Check

Free Artwork Check

A box specialist will give your artwork a hands-on review.