Custom Mailer Boxes – The Perfect Packaging for E-commerce & Subscription Brands
At Custom Packaging Boxes UK, we provide fully customisable mailer boxes made from high-quality, eco-friendly cardboard. With sharp print quality, a strong self-locking design, and full branding options, our mailer boxes deliver a premium unboxing experience every time.
Why Choose Our Custom Mailer Boxes?
Secure, Self-Locking Design
Our mailer boxes feature a tuck-in flap with dust flaps or self-locking tabs that make them sturdy and tamper-resistant – no need for extra tape or glue.
Fully Customisable
Add your logo, brand colours, artwork, or even interior print for a stunning unboxing experience. Available in all sizes and finishes – matte, gloss, soft-touch or kraft.
Sustainable Packaging
Made from 100% recyclable cardboard, our custom mailer boxes help reduce environmental impact. Ideal for eco-conscious businesses looking to make greener choices.
️ Built for Branding
Great packaging tells your brand story. Whether you’re launching a new product or delivering a monthly subscription box, our custom mailer boxes are made to impress.
Durable & Practical
Strong enough for shipping and stylish enough for presentation, these boxes are perfect for cosmetics, clothing, electronics, and more.
Product Features
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Custom sizes available for any product
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High-strength corrugated or rigid cardboard
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Tuck-top with secure closure – no additional adhesive needed
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Eco-friendly & recyclable materials
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Printed inside & out with brand messaging
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Add-ons available – inserts, dividers, stickers, tissue wrap
Popular Use Cases
E-commerce Packaging: Ideal for shipping products directly to customers with minimal risk of damage.
Subscription Boxes: Create a cohesive, exciting monthly delivery experience.
Retail Product Launches: Make a first impression that lasts with branded packaging.
Gift Boxes: Perfect for curated gift sets or influencer campaigns.
️ Customisation Options
We offer full control over how your box looks and feels:
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Size & structure
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Material (kraft, white, coloured, corrugated)
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Print method (digital, offset)
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Interior and exterior printing
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Lamination and finishing
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Foil stamping, embossing, UV spot, window cut-outs
️ How to Order
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Request a quote – Send your product dimensions and branding ideas
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Free design support – Get a 3D mockup before approval
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Confirm & produce – Once approved, we print and ship quickly
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Fast UK delivery – Get your custom mailer boxes in 7–10 working days
❓ Frequently Asked Questions
Q: Can I order a small quantity to start?
Yes, we accommodate low minimum order quantities – perfect for startups or limited editions.
Q: Are these boxes strong enough for shipping?
Absolutely. Our mailer boxes are designed to withstand postal handling, especially when made with corrugated board.
Q: Can I print on the inside of the box?
Yes! You can print artwork, messages, or branding inside and out.
Q: Are your mailer boxes eco-friendly?
Yes, all our materials are recyclable and sustainably sourced.
