Custom Mailer Boxes

Manufactured from eco-friendly corrugated Kraft board, these boxes are delivered flat-packed, easy to assemble, and completely customisable to reflect your brand identity. From bold exterior prints to thoughtful inside artwork, our custom mailer boxes turn every unboxing into a brand experience.


SKU: 9933 Categories: ,

Custom Mailer Boxes – Secure, Stylish & Sustainable Postal Packaging

Impress your customers from the moment your box arrives with Custom Mailer Boxes from Custom Packaging Boxes UK. Designed for strength, efficiency, and standout branding, our mailer boxes are ideal for eCommerce businesses, subscription services, product launches, and retail packaging.


Eco-Friendly Mailer Boxes That Make a Statement

Today’s customers value sustainable packaging. Our mailer boxes are made from FSC-certified, 100% recyclable cardboard, helping reduce your brand’s environmental impact while ensuring maximum durability during shipping.

Key Features:

  • ♻️ Recyclable & Biodegradable Corrugated Kraft

  • Strong Enough for National & International Shipping

  • ️ Printed with Your Logo, Artwork or Messaging

  • Available in Standard & Custom Sizes

  • Tuck-Top & Locking Flap Options for Secure Closure

  • Made in the UK with Free Delivery on Bulk Orders


Fully Customisable to Match Your Brand

Your packaging is often the first thing your customer sees – make it count. Whether you’re aiming for minimalism or a bold graphic presence, our custom mailer boxes can be tailored to your exact requirements.

Customisation Options:

  • CMYK or Pantone (PMS) Colour Printing

  • Full Interior & Exterior Printing

  • Matte, Gloss or Kraft Natural Finish

  • Spot UV, Foil Stamping, Embossing

  • Die-cut Inserts for Product Display

  • QR Codes, Promo Codes, & Social Media Handles

Not sure where to start? We offer free design consultation and layout assistance to help your vision come to life.


️ Perfect for All Types of Businesses

These boxes are suitable for a wide range of uses and industries:

  • eCommerce Packaging (Fashion, Electronics, Accessories)

  • Subscription Boxes (Beauty, Food, Lifestyle)

  • Corporate Gifting & PR Boxes

  • Health & Skincare Brands

  • Art, Prints & Creative Products

  • Books, Stationery & Educational Kits


Box Styles & Specifications

Feature Details
Material Corrugated Kraft (E-flute or B-flute)
Style Options Tuck Top, Tab Lock, Roll-End Front Tuck
Print Options Outside/Inside, Full Colour, Foil, UV
MOQ From 100 Boxes
Sizes Standard & Custom Dimensions
Extras Inserts, Labels, Tape Strips
Delivery Flat-Packed, Free UK Delivery
Turnaround Time 7–10 Working Days (Express Available)

Fast Turnaround & Free UK Delivery

We deliver nationwide across the UK with free shipping on qualifying orders. Our lead time typically ranges between 7–10 business days, with rush options available if you’re working to a deadline.

Whether you’re a startup or a scaling brand, our low MOQs and scalable production ensure your packaging grows with you.


Frequently Asked Questions (FAQs)

Q: Can I print on the inside of the box?
Yes! Inside printing is available and is a great way to elevate the unboxing experience.

Q: What’s the minimum order quantity?
Our MOQs start at just 100 boxes, perfect for small businesses or first-time buyers.

Q: Are these boxes strong enough for shipping fragile items?
Yes. Made from durable corrugated cardboard, these mailers can be reinforced with inserts for added protection.

Q: Do they require tape to seal?
Not necessarily. Many styles use a secure tuck-top or locking flap that doesn’t require tape, but we also offer self-seal and peel-and-stick closures upon request.


Order Your Custom Mailer Boxes Today

Your packaging is more than just a box – it’s part of your brand. With our Custom Mailer Boxes, you can offer your customers a secure, stylish, and sustainable unboxing experience they’ll remember.

Click “Add to Quote” to get started
Need help? Our team is ready with free design support & expert guidance

Let’s create packaging that works as hard as your product does.