Mailer Boxes Built for Safe Shipping & Strong Branding
Mailer boxes are more than just shipping boxes. They’re a key part of your customer experience. Our custom mailer boxes are engineered to provide superior protection during transit while showcasing your brand the moment they’re opened. Designed with sturdy materials, secure closures, and eye-catching prints, these boxes are perfect for eCommerce, subscription services, and promotional shipments. With expert craftsmanship and full customization options, we help you deliver products safely, impress customers instantly, and turn every delivery into a branded moment.
Serving 2,000+ Happy Customers Worldwide
No Die & Plate Charges
Custom Size & Style
Lowest MOQ
Fast Turnaround
We struggled for months to find packaging that matched our brand. Then we found Keep Custom Boxes. Chris Beck guided us through every step—design, material selection, and even finishing touches. The result? Packaging that gets as much praise as our products!
Working with Keep Custom Boxes was a breeze. Frank Wills really understood our vision and made sure the end product was flawless. Our customers love the premium feel of our new boxes.
Max Johnson was incredible! He helped us design custom mailers for our subscription service, and they turned out beautifully. Customers often post unboxing videos now, which has boosted our brand’s reach.
Max Johnson went above and beyond for our order. He helped us choose materials that were both eco-friendly and luxurious. The response from our customers has been phenomenal.
We wanted packaging that felt high-end but didn’t break the bank. Keep Custom Boxes delivered exactly that. The team’s attention to detail was impressive, and Chris Beck made the whole process seamless.
Our new luxury boxes are a game-changer. Max Johnson listened to our requirements and suggested details we hadn’t even thought of. The magnetic closure and velvet finish wowed our customers.
Quick turnaround and premium quality! The team made sure every detail was perfect. Big thanks to Chris Beck for his patience and creative suggestions.
We approached Keep Custom Boxes with a tight deadline and high expectations. Frank Wills made it happen. The quality is impeccable, and our products now look as good as they deserve.
We offer a wide range of packaging including:
- Rigid Boxes
- Magnetic Closure Boxes
- Mailer Boxes
- Folding Cartons
- Product Display Boxes
- Eco-Friendly Kraft Packaging
- Custom Printed Boxes in any shape, size, or style.
No! We don’t require a specific minimum order quantity. Whether you need 50 boxes or 5,000, we’ve got you covered.
Our standard turnaround time is 7–9 business days after final approval of the design. Rush orders are also available on request.
Yes, we offer free shipping across the USA, UK, Canada, and Australia. International shipping options are also available at competitive rates.
Absolutely. You can request a free quote within 1 hour by submitting your box requirements through our online form or by contacting our sales team directly.
Yes! We offer free design assistance to help bring your packaging vision to life — whether you have a ready file or just an idea.
We use high-quality offset, digital, and screen printing techniques. You can choose from matte, gloss, soft-touch finishes, spot UV, foil stamping, embossing, and more.
Yes. We can provide custom samples or digital mockups upon request so you can approve the design and quality before full production.
Yes. We store your design files securely, making it easy to reorder or make quick edits for your next batch.
You can reach us via:
Email: sales@keepcustomboxes.com
Phone: (949) 787-2003
Or fill out our contact form, and we’ll get back to you quickly.
