Shipping Mailer Boxes

Want Mailer Boxes That Ship Strong, Look Sharp & Deliver Brand Impact?
Custom Shipping Mailer Boxes That Protect Your Product and Promote Your Brand in Every Unboxing.Your packaging should do more than get your product from A to B — it should tell your brand story the moment it lands. At Custom Boxes Lab, we craft custom shipping mailer boxes that combine tough construction with stunning design. Whether you’re mailing out apparel, skincare, electronics, or curated subscription kits, our mailer boxes are built to arrive safely and impress instantly.Because unboxing isn’t just a moment — it’s a marketing opportunity.

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More Than a Shipping Box — It’s a Branded Experience

From inbox to unbox, your customers should feel your brand in every fold, flap, and finish.

Tough Materials, Built for Transit

We use corrugated cardboard engineered to survive drops, tosses, and cross-country journeys.

E-flute or B-flute corrugation for light to heavy items
Single or double-wall options for added durability
Kraft brown, white, or fully printed inside and out
FSC®-certified and eco-friendly materials available

Tailored Sizes & Styles for Every Product

No more oversized boxes or crushed contents — we custom-fit every order.

Standard mailer styles: tab-lock, roll-end tuck-top, auto-lock
Popular sizes: 6×4×2″, 9×6×3″, 12×9×4″, or made-to-measure
Flat-pack for storage & fast assembly when ready to ship
Add custom inserts, partitions, or product trays

Custom Printing That Makes Your Mailer a Marketing Tool

Your box isn’t just a container — it’s a conversation starter.

Full-color CMYK or Pantone spot printing
Matte, gloss, soft-touch, or natural kraft finishes
Inside printing available for surprise branding moments
Add logos, slogans, QR codes, social handles & more

Add-Ons That Enhance Unboxing & Drive Engagement

Create moments worth sharing — and selling.

Custom tape, tissue paper, and thank-you cards
Foil stamping, embossing, or spot UV accents
Perforated tear strips or thumb notch openings
Printed instructions, promo inserts, or reorder incentives

The 3Ps Approach

Presentation

Our mailer boxes turn every delivery into a branded billboard — from the doorstep to Instagram.

Preservation

Durable, crush-resistant walls protect your product through shipping, storage, and handling.

Protection

Secured closures, custom inserts, and optional double-wall builds keep your items safe and snug in transit.

Why 5,000+ ECommerce Brands Trust Custom Boxes Lab

Because we turn ordinary shipping into extraordinary branding.

Low MOQs — ideal for startups, DTC launches & subscription kits
Free dieline setup & design support
Fast U.S. production & delivery
Eco-conscious packaging solutions available
A creative team that understands shipping, scale, and storytelling

Let’s Build Mailer Boxes That Deliver More Than Products

Whether you’re launching a new brand, scaling fulfillment, or building your influencer kit — we’ll help you create shipping mailer boxes that protect, promote, and perform. Call us at 0000 or email today to start your order with Custom Boxes Lab.

Box dimensions correspond to the interior dimensions and are listed as: Length (L) x Width (W) x Depth (D)

‍Length (L) is measured left to right
Width (W) is measured front to back‍
Width (W) is measured front to back‍

How To Measure

Measure the Cufflinks:

Length: Measure the length of the cufflinks when placed side by side.
Width: Measure the width of the cufflinks at their widest point.
Height: If the cufflinks are in a case or holder, measure the height including any padding or packaging.

Add Extra Space:

Add about 1-2 inches to each dimension to ensure a comfortable fit and avoid crumpling.

Determine Box Dimensions:

Length: Should be the length of the cufflinks plus extra space.
Width: Should be the width of the cufflinks plus extra space.
Height: Should accommodate the height of the cufflinks plus any padding or extra space.

Example:

For cufflinks that measure 2 inches in length, 1 inch in width, and 0.5 inches in height when in their holder, the box dimensions might be approximately 3 inches in length, 2 inches in width, and 1.5 inches in height.

Delivering Premium Packaging. Materials Tailored for Your Brand and Product.

Cardboard

Giving cardboard material option to give versatility and durability to your box, widely used in many industries.

Kraft

Offering eco-friendly kraft material for your product with the least environmental impact and minimizing waste.

Rigid

Offering you premium rigid boxes, perfect for luxury packaging and high-end presentation.

Corrugated

Custom Boxes Lab specializes in strong, reliable corrugated boxes ideal for shipping and storage.

Testimonials

Thomas JT

United States

“I ordered Custom Perfume Boxes Wholesale for my brand from CBL. I love the way they communicate with me throughout the preparation process. They prepared these boxes for me using cardboard material with glossy effects with which they look pretty attractive. I got what I was looking for! I recommend CBL as the best packaging box manufacturer. ”

Will Rogers

United States

“I had a fantastic experience with Custom Boxes Lab while ordering custom chocolate boxes with intricate die-cut designs in sturdy cardboard. The team not only met but exceeded my expectations with their attention to detail and commitment to quality. I highly recommend Custom Boxes Lab for anyone looking to elevate their product presentation with innovative packaging solutions.”

Kevin Cordova

United States

“I reached out to Custom Boxes Lab with a specific request for bulk cosmetic boxes made from kraft material. From our initial chat to the final delivery, their team listened to my requirements and executed them flawlessly. I’m genuinely impressed by their dedication to precision and quality and making sure that each box was designed exactly as I asked for. Custom Boxes Lab went above and beyond my expectations. ”

Cynthia Minnie

United States

“I couldn’t be happier with the service and quality from Custom Boxes Lab. They were incredibly responsive to my needs and made sure that every detail of my custom packaging was perfect. I highly recommend Custom Boxes Lab for anyone looking for top-notch packaging solutions.”