Mailer Boxes

A versatile custom mailer boxes perfect solution for e-commerce brands to deliver promotional kits and retail gifts directly to consumers. These mailer boxes are made with durable corrugated cardboard material which keeps your product  protected during shipping. It looks great in any color and is suitable for subscription, e-commerce, and retail-ready gift boxes. Your customers will enjoy the unboxing experience with custom mailer boxes that can be custom-designed & printed both inside and outside for a truly Instagram-worthy experience.

Eco-Friendly Material

Custom Artwork

Inside Outside Printing

Stylish & Durable Packaging Solution for E-commerce

Custom mailer boxes are durable enough to ship your E-commerce product safely without compromising the style of the box. Our mailer boxes are made from single-wall corrugated cardboard and available in 2 flute sizes: E-Flute with 1/16″ (Suitable for Fragile items like glass & ceramics) can hold up to 10 lbs, and B-Flute with 1/8″ (best for heavy items like canned goods) can hold up to 30 lbs. We can also adjust the thickness of the flutes on the mailer boxes. Let us know your requirements, and we’ll cover the rest.

Available in 4 Different Styles

Our mailer boxes come in 4 different classic styles to suit your brand’s packaging needs.

Standard Mailer Box

It is one of the most common corrugated mailer boxes (also known as ear lock mailer Box) used by e-commerce brands.

Mailer Box with Adhesive

This package includes a tear strip for easy unboxing and an adhesive strip for sealing the box. Dust flaps are included, but ear locks are not.

Mailer Box (no Dust Flaps)

There are ear locks but no dust flaps on these mailer boxes, which makes them easier to store.

Mailer Box (no Flaps)

The lid of these mailer boxes folds into the box to keep it shut securely. But dust flaps and ear locks are not included.

Mailer Box Design Inspirations

We can help you design your custom printed mailer boxes that truly resonates with your brand’s identity. There are lots of box design ideas and inspirations we can provide to make your product packaging look amazing. You can also design your own mailer boxes using different printing options, add-ons and other customizations like branded logos and color scheme.

kraft mailer boxes

We believe in Sustainable Packaging

We are committed to sustainable packaging because we value the environment. That’s why we use corrugated and paper-based materials in our packaging which are highly recycleable and eco friendly. 


Select your desired material to start crafting your custom printed mailer boxes.


Kraft cardboard is best to get a brown rustic feel. If you prefer eco friendly and deep colors then you can go with kraft material.

standard white
Standard White

Standard White cardboard is a most popular option for mailers. It has a white base with matte finish and works well with bright colors.

premium white
Premium White

Premium white cardboard material is suitable for adding luxury to your boxes. It's one of the premium white material that offers satin finish.

Custom Corrugated Mailer Boxes

Order Mailer Box Sample

You can order a pre-printed CBWL Sample Kit to see the materials and print quality of our custom mailer boxes before placing a large Order.

Frequently Asked Questions

The minimum order limit does not apply at CBWL,  you may order any number of boxes that you need.

The production process generally takes 7 to 10 business days to complete. If you want your production completed earlier, consider a rush order, which usually takes 4 to 5 business days

Once production is complete, your order will be delivered within 3 to 4 business days.

Our professional designers will review your artwork for technical changes, such as one-side or two-sided printing, matching the graphics to the type of print job ordered, etc. 

You can share your artwork with us in a dieline file in PDF or AI format, which is editable in Adobe Illustrator. 

Yes, it is easy to assemble a mailer box. Fold the pre-scored lines toward the interior and then fold up the front and back flaps. Assemble the box by bringing up its side walls, tucking them inside, and snapping them into place. Now, you can use your mailer box.

Your order will be packed in individual shipping cartons and shipped to the address that you provide.

A mailer box is sturdy enough to protect your product from damage, but some external packaging is recommended for increased safety.

You will receive the dieline template for your boxes once you place your order