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Mailer Box Samples

Trying to figure out which mailer box suits your needs and your products? Order a sample box for only $1.99 – and get free standard shipping.
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Explore our range of mailing boxes to find the right size for you.

  • 12 sizes available
  • 1/16" white E-flute cardboard
  • Durable, with front-tuck closure
  • Pre-printed with a sample design
  • Free standard shipping

Packaging Samples: Visit our samples page to see all available options.

Pre-printed samples to help you decide

Need help deciding which size is best for you? Order a sample in your choice of sizes for only $4 and get free standard shipping – no code needed. Once you receive your box pre-printed with a sample design, you'll know whether it's the right size for you. See how easy it is to assemble them. You will then be able to order your one-of-a-kind mailer boxes in bulk with complete confidence.

First impressions matter

When it comes to making a strong impression with your packaging, presentation is everything – whether you’re an e-commerce business, event promoter or brick and mortar. Display mailer boxes are a great way to excite customers the moment your package is delivered.

Sturdy, reliable & exciting

Available in 12 sizes, our shipping boxes are made of corrugated E-flute cardboard, sturdy enough to ship small to mid-sized items without the need for additional packaging. And the front-tuck opening creates an exciting moment with every unboxing.

Reviews

(37 reviews)
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Reviewed by 37 customers

Sturdy!
Feb 27, 2026 | Rheta |
Verified Buyer
This little mailer box is easy to put together and sturdy. It wasn't the perfect size for what I need, but I will be adjusting the size.
Sturdy!
Feb 27, 2026 | Rheta |
Verified Buyer
This little mailer box is easy to put together and sturdy. It wasn't the perfect size for what I need, but I will be adjusting the size.

Love These
Feb 17, 2026 | Michele H. |
Verified Buyer
Really happy with the samples and plan on ordering several of the smaller box. It was much larger than I had anticipated.
Love These
Feb 17, 2026 | Michele H. |
Verified Buyer
Really happy with the samples and plan on ordering several of the smaller box. It was much larger than I had anticipated.

Personalized Ribbon and Labels
Feb 9, 2026 | Linda M. |
Verified Buyer
The ribbon and labels were made of quality material and very a very professional appearance
Personalized Ribbon and Labels
Feb 9, 2026 | Linda M. |
Verified Buyer
The ribbon and labels were made of quality material and very a very professional appearance

Super high quality
Feb 5, 2026 | Jonathon A. |
Verified Buyer
Great
Super high quality
Feb 5, 2026 | Jonathon A. |
Verified Buyer
Great

Even better than expected!
Jan 28, 2026 | Jason Y. |
Verified Buyer
Before placing an order for custom boxes, we ordered all the different sizes of the mailer box samples and the quality of all of them made us finalize our custom box order. Highly recommend giving these samples a try first to see if it will meet your needs.
Even better than expected!
Jan 28, 2026 | Jason Y. |
Verified Buyer
Before placing an order for custom boxes, we ordered all the different sizes of the mailer box samples and the quality of all of them made us finalize our custom box order. Highly recommend giving these samples a try first to see if it will meet your needs.

Displaying Reviews 1-5

Frequently asked questions

The weight of each mailer varies by size. See the chart below:

  • 5" x 3" x 1.5" weighs 1 oz.
  • 6" x 4" x 3" weighs 3 oz.
  • 6" x 5" x 2.25" weighs 4 oz.
  • 7" x 5" x 3" weighs 4 oz.
  • 8" x 6" x 3" weighs 5 oz.
  • 8" x 8" x 5" weighs 7.4 oz.
  • 9" x 6" x 4" weighs 5 oz.
  • 9.5" x 7.75" x 4" weighs 8 oz.
  • 9" x 7" x 2.25" weighs 4 oz.
  • 11.25" x 9" x 3" weighs 8 oz.
  • 12" x 9" x 2" weighs 9.1 oz.
  • 12" x 10" x 4" weighs 9.6 oz.

See our “Overview” section for a video that walks through assembling your mailer for the first time.

E-flute is very thin (1/16") corrugated cardboard. It’s very easy to fold and is excellent for printing. Sturdy and crush resistant, it’s a good option for shipments – we do not recommend these mailers for very large or heavy items

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