Create a memorable unboxing experience with our Mailer Boxes.

Elevate your brand with subscription-style mailer boxes! Choose from a variety of sizes, materials, and print options available to make a lasting impression on your customers while protecting your products from the printer to their doorstep.

Custom mailer boxes are used to deliver almost anything including ecommerce orders, subscription boxes, and promotional kits for every industry, from beauty to food & wine to clothing.

Why is UPrinting the best choice in custom boxes?

Our printing services let you design your own mailers—customize every detail, from choosing a custom size to executing the most intricate design. We offer:

  • Digital production
  • Sustainably sourced materials 
  • Easy design tool 
  • Instant pricing 
  • Flexible production (choose rush/standard)

Fold and Flap - it’s as easy as that!

Our Roll End Tuck Front box is designed for easy and quick assembly with extra protection. It comes scored to indicate which lines are for folding. Save time (and tape!) so you can get your products out the door and in front of your customers.  

How to Assemble Your Mailer Box

Sustainable & Sturdy Material Options

3 Paper/Stock Options

Material thickness

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

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Sustainable & Durable

Our custom mailer boxes are made of sustainable, recyclable, and sturdy corrugated cardboard. No extra packaging needed to send your corrugated mailers.

Custom Mailer Box Sizes

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

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

Custom Mailer Box FAQ

Q: How do I order custom boxes?
Reviews
Reviews for Custom Mailer Boxes
4.2
Out of 5.0
  • 5 Star
    (202)
  • 4 Star
    (33)
  • 3 Star
    (23)
  • 2 Star
    (10)
  • 1 Star
    (34)
Overall Rating
78%
of customers that buy this product give it a 4 or 5-Star rating.
Custom Mailer Boxes
Verified buyer
October 31, 2025 by Awckland'sSugarShack & Apiary ( PA )
“Repeat purchase because we love our custom mailer boxes! Perfectly holds four of our spreadable honeys. Our customers love to give these as gifts.”
Always love ordering...
Verified buyer
October 31, 2025 by Sara Beth Banta ( CA )
“Always love ordering our custom boxes through UPrinting! This is our fourth or fifth new design and we couldn't be happier with how they turned out. Also always so appreciative of how helpful and kind their customer service team is.”
Just a great...
Verified buyer
October 23, 2025 by Fraccaro Ind. ( PA )
“Just a great company to deal with. I use them for all my custom needs.”
Great customer support...
Verified buyer
October 22, 2025 by RICH Mandelbaum ( MA )
“Great customer support helping me through my purchase.”
The quality is...
Verified buyer
October 17, 2025 by Irais Ibarra Kay ( IN )
“The quality is great!!”
Good news! We now offer Rush Production on custom box orders.