Personalised Letterbox Boxes 216mm x 110mm x 20mm White / Brown

Personalised Letterbox Boxes – 216 x 110 x 20mm (DL Size)

Create a memorable branded unboxing experience with PackGenie's personalised letterbox boxes. Measuring 216 x 110 x 20mm internally, these slim DL-size custom printed postal boxes offer a practical packaging solution for suitable small gifts, stationery, accessories, samples and e-commerce orders.

Our custom printed letterbox boxes combine a compact rectangular design with full-colour digital printing, allowing you to showcase your logo, brand colours and promotional artwork directly on your packaging.

Manufactured from single-wall corrugated cardboard, these personalised postal boxes are intended for suitable Royal Mail Large Letter applications. Their internal height is 20mm, but the fully assembled external dimensions and packed weight must be checked before posting.

Choose from white kraft paper outside with brown kraft inside or brown kraft paper inside and outside. Printing options include the inside, outside or both sides, helping you create a consistent branded presentation.

With a minimum order of 50 boxes, free artwork preparation, no standard setup fees and free standard UK mainland delivery, our personalised DL letterbox boxes make it easy to create distinctive branded packaging.

Key Features

• 216 x 110 x 20mm internal dimensions
• DL-size rectangular letterbox packaging
• Full-colour digital printing
• Inside, outside or both-side printing options
• Single-wall corrugated cardboard construction
• Micro-flute board described in the original product information
• White kraft outside / brown kraft inside or brown kraft throughout
• Intended for suitable Royal Mail Large Letter applications
• Recyclable corrugated packaging
• Manufactured and printed in the UK
• Minimum order quantity of 50 boxes
• Free artwork preparation from suitable AI or PDF logo files
• No standard setup or origination fees
• Free standard UK mainland delivery
• Express delivery available at an additional cost

Custom Printed DL Letterbox Packaging

Our 216 x 110 x 20mm printed postal boxes provide a slim packaging format for businesses looking to present appropriately sized products in a professional and recognisable way.

Add your logo, branded artwork or promotional message to create personalised packaging that reflects your business identity.

Potential uses include:

• Stationery: Branded packaging for suitably sized cards, stationery products and paper goods.
• Small gifts: Personalised presentation packaging for compact items.
• Jewellery and accessories: Slim postal boxes for appropriate lightweight products.
• Product samples: Custom printed packaging for promotional samples.
• E-commerce orders: Branded postal packaging for suitable online purchases.
• Subscription products: Consistent packaging for small recurring deliveries.

Always check the dimensions of your products and allow room for any inserts or protective packaging. Fragile items may require additional cushioning.

Royal Mail Large Letter Packaging

These personalised large letter boxes are intended for products that may qualify for Royal Mail's Large Letter postal format.

The maximum limits stated in the original product information are:

• Maximum length: 353mm
• Maximum width: 250mm
• Maximum thickness: 25mm
• Maximum weight: 750g

Important: The 216 x 110 x 20mm measurements are internal box dimensions. Royal Mail assesses the fully packed parcel, including the assembled external dimensions, contents and total weight.

Avoid overfilling the box or allowing it to bulge beyond the permitted thickness. Always check current Royal Mail requirements before dispatch.

Full-Colour Digital Printing

Personalise your DL-size custom printed postal boxes with full-colour digital printing. Add your company logo, brand colours, detailed graphics or promotional messaging.

Digital printing provides flexibility for businesses that want professional branded packaging in smaller print runs.

Printing Options

• Outside printing: Showcase your logo and branding on the exterior.
• Inside printing: Add a custom message or design inside the box.
• Inside and outside printing: Create a coordinated branded unboxing experience.

Final print placement and artwork suitability should be confirmed before production.

White and Brown Kraft Finishes

Choose from two kraft paper finishes:

• White outside / brown inside: A clean white exterior for custom printing, with a natural brown kraft interior.
• Brown inside and outside: A natural kraft appearance for minimalist and understated branding.

Both options provide a practical base for personalised packaging designs.

Single-Wall Corrugated Construction

These printed DL letterbox boxes are manufactured from single-wall corrugated cardboard. The original product information also describes the board as micro-flute.

This slim construction is suitable for appropriately sized lightweight products. Fragile items may require additional cushioning or protective inserts.

Product Specifications

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

Artwork Templates

Need an artwork template for your 216 x 110 x 20mm DL-size personalised letterbox box? Email help@packgenie.co.uk to request the appropriate 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 digital proof for you to review before production begins.

You can request changes before approving your final artwork. Once approved, your order can move into production.

Production and Delivery Options

Choose from two delivery options for your custom printed DL letterbox boxes:

• Standard Delivery – 7–14 working days: Free delivery to UK mainland addresses.
• Express Delivery – 5–7 working days: Additional charges apply.

All delivery lead times begin from approval of your final artwork, rather than the order date.

Complete Your Branded Packaging

Pair your personalised postage boxes with custom printed tissue paper, branded stickers or printed packaging tape to create a coordinated unboxing experience.

These 216 x 110 x 20mm DL letterbox boxes offer a practical packaging format for businesses looking to present suitable slim products in professionally branded packaging.