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Mailer Box with Insert

The mailer box with insert made by CustomBoxline is popular among online and subscription businesses due to its ease of assembly which involves no adhesives or tapes. Our thick black corrugated mailers have the ability to hold up to 5 kg and are developed using an environmentally friendly and sustainable E-Flute (32 ECT – 1/16′′ thick). Moreover, our black corrugated mailer boxes are ideal if you want to ship bulkier items. Customise your low-cost mailer boxes with a wide range of shapes and sizes. Custom inserts can also be created to keep your product in place safe and secure. Explore our design options to get ideas for your own custom box. Order your mailer box with insert today with absolutely free shipping to your doorstep!

Made to your size & design Item No. CBL3360

Tip: Select a thumbnail to change the main view. Every order includes a free digital proof, so you see exactly how your artwork prints before production starts.

Four simple steps

Build your quote

Choose what you know — our packaging team can confirm the rest.

Enter the box dimensions, order quantity and preferred material.

Inside dimensions
Left to right Front to back Bottom to top
Quantity Compare up to three

Choose print colors separately for the outside and inside. Leave a side blank if no printing is needed.

Print setup
Outside
Inside
Finish
Optional features Select all that apply

Choose your preferred timeline

Compare timing and overall value for your project.

Overall value: more scheduling flexibility may reduce your total project price. Final timing and pricing depend on quantity, specifications and destination.

Where should we send your quote?

A packaging specialist will review the estimate before sending it.

Upload artwork or reference image Optional · PDF, AI, EPS, JPG or PNG
Form Recaptcha

No payment required. We confirm all specifications before production.

What happens next

A simple path from your quote request to finished packaging.

1
Submit your details Tell us the size, quantity, material and design idea.
2
Review your quote & proof Our specialist confirms the specification and prepares your digital proof.
3
Approve production We manufacture your packaging only after you approve the final details.
Custom sizes Built around your product
100-piece MOQ Suitable for growing brands
Free design support Expert help when needed
Quality checked Proof approval before print

Everything you need to choose confidently

Made around your product and brand

Mailer Box with Insert is made to order: your dimensions, your material and your branded printing. It suits e-commerce orders, subscription products, retail kits and presentation packaging.

Start with the inside dimensions, quantities and preferred material. Our packaging team will review the details and confirm the final structure before production.

Best for E-commerce, retail and subscription products
Minimum order 100 pieces per size and design
Printing One, two, three or full color
Support Custom dieline and digital proof
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