Our custom black mailer boxes are widely used by subscription and e-commerce businesses for their trouble-free assembly. Carefully formulated with Earth-friendly E-Flute (32 ECT – 1/16″ thick), our thick black corrugated mailers can hold up to 10 lbs. Our custom-made black corrugated mailer boxes are perfect for shipping bulkier items. Tailor your affordable custom 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 custom mailer boxes. Order your black mailer boxes wholesale with free shipping at your doorstep.
|3 x 3 =|
SBS (16 to 24 pt), Kraft, Corrugated (E, B, AB etc. flutes)
Offset (CMYK, Up to 4PMS colors)
Matte/Gloss Lamination, Spot UV, Soft touch
Digital 2D Flat view or 3D mockup
Minimum 300 dpi resolution is required for optimal results
Color mode must be in CMYK to be a print ready document. In the event that file(s) are submitted utilizing some other color mode, for example RGB, the file(s) will be changed over to CMYK during preflighting
Add a total of 0.25” to your original size for proper bleed. (0.125” to each side of your document)Artwork Guidelines
Customboxline makes every effort to ensure a timely delivery, There are however situations that are beyond our control and the delivery times may be affected by the following,
Customboxline strives to not just meet your expectations but to help you achieve success in your business. However, in the rare event that a “manufacturing defect” occurs, we offer a re-print or a refundThe deadline for all reprint / refund requests is “7 calendar days” from the delivery date. Lost shipments must be reported within 15 days from the ship out date.
We understand that unexpected events occur and we do our best to accommodate. If your circumstances are likely to change and you wish to cancel an order that is already in process, please inform us as soon as possible. Your refund will depend on how close your order is to completion. Of course, if we have not begun working on your order, you are entitled to a complete refund.Shipping Policy
Customboxline works with all major carriers to deliver packaging material worldwide. Boxes are shipped flat. Tracking information is provided as soon as it becomes available!*We are not able to work with third party shipping at moment.
Here you will find answers to some of the
most common questions about custom packaging.
If you don't find your answer here please call us at 1-800-205-9972 and talk to one of our packaging consultants.
Customboxline sources a wide range of
substrates for our customers to find the best match
Mailer Box with Insert.
Depending on the unique specifications for their Mailer Box with Insert, our coated SBS board, Kraft, Rigid or Corrugated fiberboard
are widely used substrates for most applications.
Our minimum order quantity is 100pcs.
Our CAD engineers will provide size
specific dieline template for your
project when we have an
order confirmation from our clients.
Our Designers are CAD Engineers having
expertise in creating complex box structures.
They do not
create graphic design elements and that is best done by a graphic designer. We can however help make changes
to your exisiting designs where possible.
Depending on the quantity ordered, our standard turnaround time is 7 to 10 business days.
You can order samples by filling out the
quote form on our website. You may also
email us your
requirement and one of our sales representative will get in touch with you.
We are capable of custom printing on either or both sides of the box.
We print on a wide range of sheet sizes. Our maximum print size is 28" x 40".
From high gloss and soft touch matte, to
foil stamping, embossing, debossing, Spot UV, clear coating,
window patching, we offer extensive range of finishing options ensuring your Custom Boxes will standout
in the retail competition. Find out more about our finishing services here.
Connect with our sales representative through live chat, email or direct calling during working hours.
You may submit a quote request by filling out the form above or by clicking on the custom quote link at the top of the page.
You will receive your quote within 24-hour window.
Boxes ship flat.
Tracking information is provided as soon as it becomes available for all orders.
We use DHL as our global shipping partner
and use their
extensive global footprint to
deliver boxes virtual anywhere For Free!
This was my first experience with CustomBoxline and I must say it was no less than an
experience. Mark worked with me throughout the project. He was helpful, informative, and
patient. I went
through several revisions resulting in a simple but effective package that arrived as
good time. Thank You Customboxline.com
Great vendor to do business with. Knowledgeable and helpful staff, easy design to production
quick turnaround of excellent quality product. We used CustomBoxline for multiple projects
completely satisfied each time. Highly recommended.
Customboxline is easy to work with and fast to deliver.
Excellent service, kept me posted at every step in the process
These Boxes are very high quality and they are a perfect size.
Not an average box maker and quality delivered as promised.
Order boxes each season and they always deliver as promised.
Etremely pleased with the product and the quick turnaround.
Quick response to question/concern emailed. Very accomodating.
I'll definitely keep buying my boxes here. Highly recommend.