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Custom Mailer Boxes

FAQs About Mailer Boxes & Mailing Boxes

Got a burning question about mailer boxes? Still wondering what makes mailer boxes different from other types of packaging? What kind of material should you choose? And where to even begin with customizing your own mailer box? Packola has all the answers to help you get started. Read on to know more about how to order, starting a new design, shipping packages, and other mailer box-related queries.

Mailer Boxes FAQs

What are mailer boxes?

A mailer box is a packaging product made of corrugated cardboard that is assembled with built-in interlocking flaps and wings, no adhesive required. It’s designed to safely store and showcase your items.


What are mailer boxes made of?

Our mailer boxes are made of durable corrugated cardboard. We offer the following options:

  • Standard White Corrugated Cardboard
  • Premium White Corrugated Cardboard
  • Premium White Corrugated Cardboard with Glossy Ink
  • Kraft (Brown) Corrugated Cardboard


Where can I buy mailer boxes?

Here at Packola! We offer custom mailer boxes made to your specifications.


How do I ship mailer boxes?

You can ship a mailer box itself, but we recommend adding an outer layer of packaging such as a poly mailer to protect the box from tampering and to preserve its design.


Is a mailer box easy to assemble?

Yes. The mailer box ships flat and pre-scored. Follow these steps to quickly assemble your custom box:

  1. Fold the pre-scored lines towards the interior.
  2. Fold up the front and back flaps.
  3. Bring up the side walls of the box. Tuck them inside and snap into place.
  4. Your mailer box now is now ready to use.


Can I ship a mailer box in a poly mailer?

Yes, you can. Make sure the poly mailer has enough space inside to accommodate the mailer box’s dimensions.


Do I need to tape mailer boxes?

No. Our custom mailer box has flaps and slots that lock the package safely without the need for adhesive or tape. To secure the box while in transit, we recommend using an outer packaging such as a shipping box or a poly mailer.


How do I start creating custom mailer boxes?

Starting your custom mailer box journey is simple. Go to the product page and customize by selecting the dimensions, material, quantities, and more. Next, you can create your artwork online using the 3D Design Studio or upload your own. After completing your order at checkout, we’ll start producing your custom order.


Can I buy a single mailer box?

Yes, you can order one (1) mailer box. We have no minimum quantity order. You can order as few or as many as you need.


What are the standard sizes and dimensions for mailer boxes?

Among the standard sizes, our popular mailer box sizes include 6” x 6” x 2”, 10” x 8” x 4”, and 14” x 12” x 3” (L x W x D). For custom sizes, you can create one within the following dimensions:

Length: 3” - 25”
Width: 2” - 25”
Depth: 1” - 15”


Are Packola’s mailer boxes affordable?

Packola’s custom boxes are competitively priced. The more you order, the bigger you can save on the cost with quantity discounts.


Can I order a sample mailer box?

Yes, you can order a sample box with your own artwork and specified dimensions. Set the quantity to "1 sample" on the product page and proceed to order. Most samples ship within 3 business days.


When will I receive my mailers?

Our standard production time is 20-25 business days. Expedited production takes 6-8 business days while a sample is produced in 3 business days. This does not include holidays, weekends, and transit time.