Custom Mailer Boxes 340mm x 110mm x 110mm - Brown

Custom Printed Mailer Boxes – 340 x 110 x 110mm

Make every delivery a memorable brand experience with PackGenie's custom printed mailer boxes. Measuring 340 x 110 x 110mm, these personalised rectangular postal boxes offer a long, narrow packaging format for suitable e-commerce products, gift sets, promotional items and retail orders.

Our full-colour digitally overprinted mailer boxes provide a flexible packaging solution for start-ups, growing businesses and established brands looking for professional branded packaging in smaller print runs.

With their elongated rectangular shape, these boxes are particularly useful for products that require a longer packaging format. They can be used for suitable accessories, promotional packs, gifts and other products that fit within the box dimensions. Always check the dimensions of your products and any protective packaging requirements before ordering.

Choose from white kraft paper inside and outside or brown kraft paper inside and outside, with custom printing available on the inside, outside or both sides of the box, subject to the selected print specification.

For a coordinated unboxing experience, combine your boxes with our custom printed tissue paper. You can also explore our wider range of customised packaging boxes.

Key Features

• Custom printed mailer boxes measuring 340 x 110 x 110mm
• Long rectangular format for suitable products and gifts
• Full-colour digital overprinting
• Corrugated E-flute board construction
• Choice of white or brown kraft paper, inside and outside
• Inside, outside or both-side print options listed in the specifications
• Suitable for e-commerce, retail, gifts and promotional packaging
• Smaller print runs available
• Recyclable corrugated packaging
• Manufactured and printed in the UK
• Free artwork preparation from suitable AI or PDF logo files
• No standard artwork origination or setup fees
• Standard, Express and Priority delivery options
• Free standard UK mainland delivery

Personalised Long Mailer Boxes for Your Brand

Our 340 x 110 x 110mm customised mailing boxes help transform everyday deliveries into professional branded customer experiences.

The long rectangular design provides a practical packaging format for suitable products, while full-colour printing allows you to showcase your logo, brand colours and messaging.

These boxes may be suitable for:

• E-commerce businesses: Branded packaging for suitable online orders.
• Gift businesses: Attractive presentation for elongated gift sets and accessories.
• Subscription services: Personalised boxes for curated products that suit the dimensions.
• Independent retailers: Professional branded packaging for suitable retail products.
• Promotional campaigns: Custom boxes for events, product launches and branded merchandise.
• Corporate gifting: Personalised packaging for suitable gifts and promotional packs.

Full-Colour Digital Printing

Personalise your custom mailer boxes with your logo, artwork and promotional messaging using full-colour digital printing.

Digital overprinting is particularly useful for smaller quantities and businesses that want the flexibility to update their packaging designs as their brand develops.

The product specifications list the following print placement options:

• Outside printing: Showcase your branding on the exterior of the box.
• Inside printing: Add a branded message or design inside the box for an engaging unboxing experience.
• Inside and outside printing: Create a coordinated branded presentation throughout the packaging.

Please confirm the available print placement for your selected option, as the original product information also references one-sided printing.

White or Brown Kraft Mailer Boxes

Choose the finish that best suits your brand:

• White kraft: A clean, bright background that helps full-colour artwork stand out.
• Brown kraft: A natural kraft appearance suited to understated, minimalist or rustic designs.

Both options are listed with matching paper finishes on the inside and outside of the box.

Corrugated E-Flute Construction

These personalised postal boxes are made from corrugated E-flute board, offering a lightweight yet rigid packaging format for suitable e-commerce and presentation applications.

The corrugated structure helps provide support during handling and delivery. Use appropriate internal protection where required, especially for delicate or fragile items.

Product Specifications

Delivery note: All delivery lead times begin after approval of your final artwork.

Artwork Templates

Need an artwork template for your 340 x 110 x 110mm custom mailer box? Email help@packgenie.co.uk to request the correct template.

Free Artwork Preparation

Send us your logo and design ideas and our team will help prepare your artwork for printing.

Free artwork preparation is available from suitable AI or PDF logo files. We'll email a proof for you to review, and you can request changes before approving the final design.

Once you've approved your artwork, your order can move into production.

No standard setup fees: Artwork preparation and origination are included for standard designs.

Production and Delivery Options

Choose the delivery speed that best suits your business requirements:

• Standard Delivery – 7–14 working days: Free delivery to UK mainland addresses.
• Express Delivery – 3–7 working days: Additional charges apply.
• Priority Delivery – 2–3 working days: Additional charges apply.

Important: All delivery lead times are calculated from approval of your final artwork, not from the date your order is placed.

Please contact our team before ordering if you have a specific delivery deadline.

Complete Your Branded Packaging

Pair your personalised mailer boxes with custom printed tissue paper to create a coordinated unboxing experience.

Explore our full range of customised boxes and branded packaging solutions.