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Custom Mailer Boxes

Strong, Sustainable, and Built to Impress

Our custom mailer boxes are made to deliver a premium unboxing experience while keeping your products safe and your brand front and center. Whether you’re shipping clothing, beauty products, or subscription kits, these boxes combine durability with full-color custom printing—perfect for eCommerce brands that care about presentation and performance.

  • Sturdy & Protective – Made from corrugated board to handle shipping stress
  • Fully Customizable – Print inside and out, choose from matte, gloss, or kraft finishes
  • Sustainable Materials – Made with recyclable and compostable materials
  • Flexible Sizes & Fast Turnaround – Low MOQs with custom sizing and efficient production

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Served 1000+ partners and counting:
Real Results: How Our Custom Packaging Solutions Delivered Value

Real Results: How Our Custom Packaging Solutions Delivered Value

Custom Mailer Boxes

10 Reasons Custom Packaging is Gre­at for Your Brand

Your first impression matters for your business’s successs.

Custom Mailer Boxes

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Here’s how you can turn your cardboard into your very own packaging!

Custom Mailer Boxes

How to Reduce Shipping Costs for Small Businesses

As retailers, service providers, and entrepreneurs gear up for the holiday rush, shipping costs can become harder to manage, especially if you’re a small business. At Plus Packaging, we know that although there are ways to save on shipping costs, it all starts with the proper packaging!

Custom Mailer Boxes – Product Features & Specifications

Custom Mailer Boxes – Product Features & Specifications

Feature Details
Material E-Flute Corrugated Cardboard (FSC-Certified)
Wall Type Single Wall, Durable E-Flute Construction
Sustainability Recyclable, Compostable, Plastic-Free, FSC-Certified
Print Options Full Color (CMYK), Inside and Outside Print
Ink Type Soy-based or water-based, food-safe inks
Finish Matte, Gloss, Kraft Natural
Box Styles Roll-End Tuck Top, Front Lock, Tab-Lock
Sizes Available Small (7″ x 5″ x 2″), Medium (9″ x 6″ x 3″), Large (12″ x 9″ x 4″) – Custom Sizes Available
Certifications FSC-Certified, Compostable Materials, FDA-Compliant Inks (Optional)
Order Flexibility Low MOQs supported with fast turnaround

Getting Custom Mailer Boxes Step By Step

Getting Custom Mailer Boxes Step By Step

Personalized Design Consultation

We review your design vision and branding elements. Our experts suggest materials, colors, and finishes to create a design that aligns perfectly with your brand’s image.

Quality Assurance & Material Testing

Our team tests the chosen materials to confirm they meet our high standards. This process includes testing for tear resistance, waterproofing, and eco-friendliness.

Ongoing Support & Reorder Reminders

Our support team is just a call or message away for reorders or questions. We also send reorder reminders so you’re always prepared for high-demand periods.

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Digital Mockup Approval

We send you a high-resolution digital mockup. This is your chance to see a preview of the final design, suggest tweaks, and give us the green light for production.

Pre-Delivery Check & Packaging

Our team inspects the boxes once more for color accuracy, design precision, and structural integrity. Then, we package them carefully for delivery.

On-Time Delivery & First Impressions Check

We deliver on time, and you get a chance to check out the final product before it reaches your customers. Your feedback on quality and design gives us valuable insights.

1

Personalized Design Consultation

We review your design vision and branding elements. Our experts suggest materials, colors, and finishes to create a design that aligns perfectly with your brand’s image.

2

Digital Mockup Approval

We send you a high-resolution digital mockup. This is your chance to see a preview of the final design, suggest tweaks, and give us the green light for production.

3

Quality Assurance & Material Testing

Our team tests the chosen materials to confirm they meet our high standards. This process includes testing for tear resistance, waterproofing, and eco-friendliness.

4

Pre-Delivery Check & Packaging

Our team inspects the boxes once more for color accuracy, design precision, and structural integrity. Then, we package them carefully for delivery.

5

Ongoing Support & Reorder Reminders

Our support team is just a call or message away for reorders or questions. We also send reorder reminders so you’re always prepared for high-demand periods.

6

On-Time Delivery & First Impressions Check

We deliver on time, and you get a chance to check out the final product before it reaches your customers. Your feedback on quality and design gives us valuable insights.

The Plus Packaging Difference

At Plus Packaging, we do more than deliver packaging — we solve problems. For nearly five decades, we’ve been crafting custom solutions, including hundreds of mailer boxes, with a small, dedicated team that truly understands your needs.

We’re not a faceless online store; we’re your partner, tailoring every packaging detail to your brand. With our expertise and personal touch, we make it simple, seamless, and sustainable.

We make things happen and we really care.

What makes you get more with less with our mailer boxes?

What makes you get more with less with our mailer boxes?

Secure, Elegant, and Sustainable

Commit to a smart blend of style and practicality, ideal for improving your first impressions and shipment protection.

Customized to Your Brand’s Image

Customize mailer boxes to uniquely represent your brand, ensuring your message is sent with every package.

A Cost-effective Solution

Enjoy reduced costs and transit damage from a lightweight but durable design, offering both style and efficiency.

Secure, Elegant, and Sustainable

Commit to a smart blend of style and practicality, ideal for improving your first impressions and shipment protection.

Customized to Your Brand’s Image

Customize mailer boxes to uniquely represent your brand, ensuring your message is sent with every package.

A Cost-effective Solution

Enjoy reduced costs and transit damage from a lightweight but durable design, offering both style and efficiency.

4.8/5
Based on 15 Reviews 15 Reviews
Customer Reviews

Customer Reviews

03/13/2025 | Vanessa Clark | Verified Buyer
The custom interior print really elevated our mailers. Plus Packaging was spot on.
01/23/2025 | Ali Khan | Verified Buyer
Boxes came out great. Perfect size, smooth finish, and sharp logo printing.
02/06/2025 | Jenna Morales | Verified Buyer
Our customers actually take photos of the packaging now. That says everything.
01/23/2025 | Gabriel Torres | Verified Buyer
Melissa was great to work with. Helped tweak the dieline so everything fit just right.
01/09/2025 | Naomi Fitzgerald | Verified Buyer
Durable and clean. No peeling or smudging. Will definitely stick with Plus.
11/10/2024 | Jessica M. | Verified Buyer
Fast delivery, great quality, and the customization options are fantastic. My customers love the packaging!1
11/09/2024 | Ella M.
Customer service was helpful.
11/05/2024 | Mia S.
These poly mailers make shipping so much easier
11/03/2024 | James C.
solid quality
11/01/2024 | Grace H. | Verified Buyer
Shipping took a bit longer than expected, but worth the wait
10/28/2024 | Liam H. | Verified Buyer
Absolutely thrilled with how my logo turned out on these bags. Great service too!
10/27/2024 | Amelia B.
great
10/20/2024 | Sophia D. | Verified Buyer
Eco-friendly and good price. Perfect for my business.
10/20/2024 | Ava T.
Perfect fit for my e-commerce needs. They look professional and my brand shines through.
10/13/2024 | Alexander G.
decent product
10/06/2024 | Oliver W. | Verified Buyer
awesome
09/17/2024 | Benjamin P.
These work really well for my business, but I wish there were more size options for lower quantities
09/12/2024 | Charlotte P.
I’ve used many poly mailers over the years, and these are by far the best. Highly recommend!
09/11/2024 | Elijah K. | Verified Buyer
I’ll definitely reorder!
09/03/2024 | Isabella F. | Verified Buyer
From the design process to delivery, Plus Packaging exceeded my expectations!
08/30/2024 | Evelyn T.
The bags are okay but thinner than I expected. They’re fine for lighter items, though.
08/24/2024 | Lucas J.
Great quality!
08/22/2024 | Henry B.
Good value for the price
Frequently Asked Questions (FAQs) – Custom Mailer Boxes

Frequently Asked Questions (FAQs) – Custom Mailer Boxes

1. What are custom mailer boxes made of?

Our boxes are made from FSC-certified E-flute corrugated cardboard, offering strength and structure while being 100% recyclable and compostable.

2. Can I print my design on both the inside and outside of the box?

Yes! We offer full CMYK color printing on both surfaces to create a premium, immersive unboxing experience.

3. Are these boxes eco-friendly?

Absolutely. All materials are sustainably sourced, and we print with non-toxic, soy-based inks, making our boxes fully recyclable and compostable.

4. What’s the minimum order quantity?

You can start with as few as 25 boxes, perfect for smaller launches, limited editions, or sampling. We also handle large-scale production runs with competitive pricing.

5. Can I get custom sizes for my products?

Yes. In addition to our standard small, medium, and large options, we support fully custom dimensions tailored to your products.

6. What’s the turnaround time for custom mailer boxes?

Standard production time is 2–3 weeks, depending on complexity and order size. Rush orders may be available upon request.

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