Free Worldwide Delivery on All Orders Welcome to CustomBoxline! Explore the full spectrum of our customized products and services!
Our mailer boxes with Insert are widely used by subscription and online businesses for their trouble-free assembly. Carefully formulated with sustainable packaging goals that utilize E-Flute (32 ECT – 1/16″ thick), our thick black corrugated mailers can hold up to 10 lbs. Our custom-made black mailer boxes are perfect for shipping bulkier items. Tailor your mailer boxes with countless variations of sizes and shapes. You can also design custom inserts to hold your product in place. Browse through our design options and get inspired to build your own mailer box with an insert. Order your black mailer boxes wholesale with free shipping at your doorstep.
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.
Receive a custom dieline and digital 3D mockup for approval.
Choose the most convenient way to pay after your quote is approved.
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.
| Paper Stock: | SBS (16 to 24 pt), Kraft, Corrugated (E, B, AB flutes etc.) |
| Printing | Offset (CMYK, Up to 4PMS colors) |
| Finishing | Matte/Gloss Lamination, Spot UV, Soft touch |
| Proof | Digital 2D Flat view or 3D mockup |
A clean, lightweight choice for retail-style packaging and products that do not require heavy shipping protection.
A fluted board structure that adds cushioning and rigidity for mailing, e-commerce and subscription packaging.
Natural brown board with a simple, organic look. Ink colors can appear more muted because the material is not white.
Select one, two or three ink colors for simpler branding, or full color for detailed artwork, photography and broader color ranges.
Print the exterior for brand visibility, the interior for an unboxing message, or both surfaces for a fully branded presentation.
Add foil, Spot UV, embossing, debossing, window patching or a custom insert. Availability depends on the selected material and box construction.
CustomBoxline works with all major carriers to delivery packaging material worldwide. Boxes are shipped flat. Tracking information is provided as soon as it becomes available!
The standard minimum is 100 pieces per size and design. You can request several quantities in the form to compare price breaks.
Enter the required inside dimensions: length from left to right, width from front to back, and height from bottom to top. We will confirm the final dimensions before production.
No. You can request pricing with the information you have. A custom dieline is provided for artwork placement, and print files are reviewed before production.
Yes. Choose outside only, inside only, or outside and inside. The final print method is confirmed after reviewing the artwork and material.
The form includes priority, standard and economy timeline preferences. Final production and delivery timing depends on specifications, quantity and destination.
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