Unboxing is your brand's first physical impression. We design and produce custom mailers, PR kits, and branded packaging that stops the scroll and gets shared. Free sample kit — see the quality before you commit.
From influencer gifting boxes to full-scale PR campaign mailers. Prices shown are for orders of 500+ units — smaller runs available, just ask.

Single, double, and triple-wall sheets in custom dimensions. Ideal for protective layering in PR kits and gift mailers.

Fully printed mailer boxes with your artwork. Flexo, litho, or digital — we'll recommend what suits your run.

Triple-wall industrial crates for large-scale activations, event shipments, and heavy product launches.

100% recycled kraft paper — perfect for wrapping products inside mailers. Fully recyclable and home-compostable.

Precision inserts that hold products perfectly in place. Essential for creating that premium unboxing moment.

Large-format boxes for bulk shipping to fulfilment centres, event venues, or retail distribution points.
KARTONOVA started with a simple frustration: most packaging is boring. We watched brands spend months perfecting a product, only to ship it in a plain brown box that nobody noticed.
We work directly with PR agencies, influencer marketing teams, and creative studios who understand that the unboxing moment is the campaign. When someone films themselves opening your mailer and shares it with their audience, that's earned attention you can't buy with ads.
No account managers. No call centres. When you work with us, you're talking to the people who will actually design, cut, and print your packaging. We care about the details because we know your reputation depends on them.
Start a Conversation →We're not for everyone — and that's intentional. We work best with people who value craft, speed, and honest communication.
Press mailers that journalists actually open. Custom boxes, inserts, and branded tissue.
Gifting boxes designed for the camera. Every angle looks good because we plan for it.
Your portfolio piece deserves a worthy package. We match print quality to your design standards.
Subscription boxes, product launches, limited editions. Unboxing as brand building.
On-brand packaging for live events, pop-ups, and experiential campaigns — delivered on time.
Small runs, big attention to detail. If you care about how your product arrives, we're your people.
Every project is different. Here are three recent ones to give you a sense of what we can do — from rapid-turnaround PR kits to full-branded influencer drops.
500 custom-printed mailer boxes with die-cut foam inserts to hold 6 product samples. Full-colour exterior, branded tissue inside.
"The unboxing content from this campaign generated 4× our usual engagement."
200 rigid boxes with magnetic closure, custom die-cut insert tray, and foil-stamped logo. Used for a targeted influencer campaign across 3 cities.
"The recipients genuinely kept and reused the boxes — that's brand presence that lasts months."
1,000 kraft mailer boxes with single-colour screen print, filled with eco wrapping and product samples. Delivered to 3 festival sites over one weekend.
"At a festival full of plastic bags, our kit stood out and people actually talked about it."
Straightforward and transparent. Here's a real example timeline for a typical 500-unit branded mailer project.
You send dimensions, artwork, and quantities. We reply with a quote and material options within 24 hours.
We send a digital proof for approval. Need a physical sample? We'll courier one so you can check the quality.
Your order goes into production. Every batch is checked for dimensional accuracy and print quality.
Flat-packed on pallets, tracking number sent. Standard orders ship within 3–7 business days. Rush available.
Beyond the cardboard and ink, here's what actually matters.
Every sheet is cut to your specified dimensions. Our die-cutting delivers consistent results, batch after batch. No surprises.
FSC-certified board, water-based inks, 100% kerbside recyclable. No plastic coatings, no mixed materials. Chain of custody docs available.
Standard orders ship within 3–7 business days. Rush slots often available. We'd rather under-promise and over-deliver than the reverse.
Tracked shipping across the UK. Flat-packed to reduce transport volume and cost. Collection from our London facility also available.
Not sure which board grade or flute profile suits your project? We'll help you choose. Structural design guidance included at no extra cost.
Every order is inspected before dispatch. If anything doesn't meet the agreed spec, tell us within 14 days and we'll make it right.
Varies by product — sheets from 50, boxes from 100, crates from 5. We try to accommodate smaller runs. Get in touch and we'll find a way.
Yes. We'll courier free material swatches and, for custom projects, a pre-production sample so you can check everything before the full run.
Production takes 3–7 business days plus shipping. Express turnaround (2–3 days) available. We'll give you a firm date before you commit.
Flexo for larger runs, digital for short runs with fast turnaround, litho for premium finish. We'll recommend based on your quantity and artwork.
We use Pantone-matched inks for flexo and litho printing. Digital printing uses CMYK — we'll show you proofs so you can approve before production.
We stand behind our work. If anything doesn't meet the agreed specification, let us know within 14 days and we'll reprint or refund.
Fill out the form below and we'll reply within 24 hours with a quote, material recommendations, and an offer to send free samples.
123 City Road
London, EC1V 2NX
07888 397265
Mon–Fri, 9am–6pm
We'll courier material swatches and a recent project sample. Just ask in your enquiry.