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

Reviews
Reviews for Mailer Boxes
4.2
Out of 5.0
  • 5 Star
    (220)
  • 4 Star
    (37)
  • 3 Star
    (24)
  • 2 Star
    (10)
  • 1 Star
    (34)
Overall Rating
79%
of customers that buy this product give it a 4 or 5-Star rating.
Best custom boxes!
Verified buyer
February 6, 2026 by PAMELA HANCHAR ( MI )
“I am beyond thrilled with my custom printed mailer boxes. They are perfect!”
This was exactly...
Verified buyer
February 5, 2026 by Billy Hoffs ( MN )
“This was exactly as expected and seeing it in person was even nicer. This will help our professionalism as we deliver materials to our community members. Good quality and done easily and on time - quick actually. Good buy.”
Delivery was within the timeframes given and arrived in perfect condition
Verified buyer
February 1, 2026 by Allison ( FL )
“2nd time ordering these boxes, they arrived perfect as the 1st time and delivered sooner than anticipated. Thank you.”
Great product and...
Verified buyer
January 22, 2026 by Christopher Gallarello ( NY )
“Great product and easy ordering process.”
Great quality boxes
Verified buyer
December 31, 2025 by Cami S. ( AZ )
“I ordered a sample mailer box from Uprinting.com and the same one from Imprint.com to compare the quality. The quality is significantly better from UPrinting, from the image quality, text clarity, and box thickness and sturdiness. Great job!”

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: When will I receive my boxes?