Full-colour printed royal mail postal boxes

Custom Printed Royal Mail Boxes

Ship beautifully and save on postage with custom printed Royal Mail boxes.

Designed to fit perfectly within Royal Mail’s Large Letter, Small Parcel, and Medium Parcel guidelines, these boxes help you reduce shipping costs while giving every delivery a professional, branded finish.

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What Makes Ours Different? 📦

Locally Manufactured and Printed

All our Royal Mail postal boxes 📦 are both manufactured and printed in the heart of the UK further reducing our carbon foot print.🌿

FSC® Certified Materials

Manufactured using FSC® certified paper, with 60%–90% recycled content. 🌲

Perfectly Sized for Royal Mail Rates

Each box is engineered to stay within Royal Mail’s official size limits - meaning you’ll never overpay for postage again. Whether you’re sending flat products, small gifts, or multi-item parcels, we’ve made sure your packaging fits the right bracket every time.

Natural Kraft Eco Cardboard

Made from sturdy corrugated kraft board with a smooth, professional finish and triple-layer construction for added strength. 📦

Range of Printed Royal Mail Pricing in Proportion (PiP) Boxes

View our range of printed Royal Mail Large Letter, Small Parcel & Medium Parcel postal boxes.

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Customised Printed Mailer Postal Boxes

From £0.66

From £0.66 exc. VAT each
£0.79 inc. VAT each

Customised Printed Large Letter Postal Boxes

From £0.70

From £0.70 exc. VAT each
£0.84 inc. VAT each

Customised Printed Mailer Postal Boxes - 375x255x150mm

From £2.30

From £2.30 exc. VAT each
£2.76 inc. VAT each

Customised Printed Medium Parcel Postal Boxes

From £1.14

From £1.14 exc. VAT each
£1.37 inc. VAT each

Don't just take our word for it 📢

Caroline Rowland

"I was in a jam and needed 600 bags with our label next day- this team was so amazing and got them done in time. Cannot recommend them enough! Superb quality as well."

Megan Brown

"Fantastic service, really speedy and great quality. Would 100% recommend especially if you're in need of a quick turnaround!"

Tash Turner

"Ordered some personalised boxes for my little company and I couldn’t be happier. Really easy and efficient system to design your own boxes and printed exactly as I wanted. Great service. Will be 100% ordering more in the super near future."

Talking Birds

"Really clear guidelines, image upload and proofing system. Very good communication and really happy with the results."

T Odugbemi

"Really awesome service from the team at FPP. We are a returning customer and recommend."

Loved by...

Large Letter Postal Boxes

Slim, strong, and perfect for post-friendly deliveries.

Our Large Letter Boxes fit comfortably through letterboxes, protecting smaller items like cosmetics, accessories, and samples while keeping postal costs low.

Royal Mail Large Letter Max Size: 35.3cm × 25cm × 2.5cm | Max Weight: 750g

Buy Large Letter Boxes

Why Choose Us

Free UK Delivery Available

Choose from a few delivery options including FREE delivery to mainland UK.

Pre-Print Artwork Approval

All printed orders will receive an email proof prior to printing.

UK Based

All products are printed and made in the heart of England, keeping our carbon footprint as low as possible.

5 Star Support

If you're not sure or need help, get instant support via our CONTACT PAGE.

Small Parcel Postal Boxes

The ultimate everyday postal box.

Ideal for eCommerce brands, subscription kits, and retail products, our Small Parcel Boxes provide robust protection while keeping within Royal Mail’s small-parcel limits - saving you money on every shipment.

Royal Mail Small Parcel Max Size: 45cm × 35cm × 16cm | Max Weight: 2kg

Buy Small Parcel Boxes

Our Awards

Medium Parcel Postal Boxes

Roomier protection for larger orders.

Our Medium Parcel Boxes are crafted from durable corrugated board to handle bulkier or multiple products while still meeting Royal Mail’s medium-parcel standards.

Royal Mail Medium Parcel Max Size: 61cm × 46cm × 46cm | Max Weight: 20kg

Buy Medium parcel Boxes