Description
Custom Mailer Boxes with Tear Strip: An Unboxing Worth Sharing
Ask any direct-to-consumer brand what drives repeat custom, and packaging comes up fast. The product earns the first sale; the experience of opening it earns the second. Custom mailer boxes with tear strip are engineered for exactly that second sale, replacing the fumble for scissors with a single, satisfying pull and turning an everyday parcel into something customers photograph, post and remember.
At Hexa Custom Boxes, we build tear strip mailer boxes that work as hard commercially as they do visually. The board protects your goods through a bruising courier network, the integrated tear strip opens clean and signals the parcel hasn’t been tampered with, and your branding wraps the box inside and out. It’s premium e-commerce packaging, costed and made for UK businesses that are growing, not standing still.
A Pull-Tab That Earns Its Place
The tear strip is more than a nice touch. A double-perforated strip runs along the box wall, so your customer grips the tab, pulls once, and the box opens cleanly with no tools and no torn-up cardboard. Because that strip can only be pulled a single time, the box becomes naturally tamper-evident, quiet reassurance that the order arrived exactly as you sent it. Add an optional second adhesive strip and the same box reseals for painless returns, which is a small detail your fashion and lifestyle customers will genuinely appreciate.
Built to Survive the Courier Network
A beautiful box that arrives crushed does more harm than a plain one that arrives intact. The flute, the wavy inner layer of the corrugated board, decides how much punishment your packaging can take. Use the guide below to match the board to your product and its journey.
| Board | Approx. Thickness | Protection | Ideal Products |
|---|---|---|---|
| E-flute | 1.5mm | Light to medium | Everyday retail mailers with the crispest print finish |
| B-flute | 3mm | Medium | Heavier or more delicate items needing extra cushioning |
| C-flute | 4mm | Medium to high | Larger products and longer supply journeys |
| Double-wall (BC) | 7mm | High | Heavy, bulky or high-value goods that can’t risk damage |
Print That Turns the Box Into Marketing
Your mailer box is the only piece of marketing your customer holds in their hands, so we make it count. We print in full CMYK with Pantone spot-colour matching for precise brand consistency, and we print the inside as readily as the outside, so the reveal is as branded as the lid. Keep it natural with kraft board and one or two flexo colours for an eco, pared-back look, or go all out with litho lamination, soft-touch, spot UV or metallic foil for a flagship finish. Every box is built to your exact internal dimensions in millimetres, so your product sits snug with no rattle and minimal void fill.
Right-Sized for UK Despatch
Box size shapes your shipping bill as much as your storage. Couriers and Royal Mail price by dimensions alongside weight, so a box designed to sit inside the right parcel band protects your margin on every single order. The table below shows popular formats and the band they typically fall into.
| Box Size (internal) | Suits | Royal Mail Band |
|---|---|---|
| 150 x 150 x 50mm | Cosmetics, jewellery, small accessories | Small Parcel |
| 220 x 160 x 80mm | Books, apparel, subscription boxes | Small Parcel |
| 300 x 220 x 100mm | Multi-item orders and larger garments | Small Parcel |
| 450 x 350 x 200mm | Bulky or multipack despatches | Medium Parcel |
When we quote your bespoke size, we’ll point out where shaving a few millimetres keeps you inside the cheaper Small Parcel limits of 45cm x 35cm x 16cm and 2kg. Across thousands of orders, that single design decision can fund a great deal else.
Costed for Growing Brands, Not Just Giants
Custom mailer boxes have a reputation for steep set-up fees and minimum orders built for warehouses. We took that apart.
No die and plate charges. A bespoke mailer box needs a cutting die and printing plates, and most suppliers pass those costs straight to you before a single box is made. We absorb them, which keeps trial runs, fresh designs and seasonal editions affordable and leaves your cash flow intact.
Minimums from just 100 units. There’s no need to commit to thousands to get a box that’s truly yours. Begin at 100, scale to bulk wholesale runs as demand grows, and never write down a pallet of stock that’s gone out of date.
Flat-packed, and fast. Boxes ship and store flat, trimming your inbound freight and the space they take in your unit, and our 8 to 10 working day turnaround is made and printed in the UK, so you plan to a real date rather than a customs queue.
Recyclable by Design
Corrugated board is among the most widely recycled materials in the country, and we help you keep that promise honest. Choose recycled-content and FSC-certified kraft, printed with water-based inks, and the box your customer receives has a clear, low-impact end of life.
The deciding detail is the tear strip. Specify a paper-based, fibre tear strip rather than a plastic tear tape and the whole box stays kerbside-recyclable in one stream, sidestepping the plastic-component issues behind the Plastic Packaging Tax. We can print On-Pack Recycling Label (OPRL) guidance to make disposal obvious for your customer and support your Extended Producer Responsibility (EPR) reporting. Need a particular certification for a retailer or marketplace? Tell us the standard and we’ll spec to meet it.
Templates and Support on Tap
Getting the dieline and the tear strip position right is where most box projects stall, so we take the guesswork out. You get free, print-ready templates and full dieline support, plus a team that checks your artwork before it reaches the press. And since product launches don’t keep office hours, our free 24/7 support is there whenever you need a hand.
Order Your Custom Mailer Boxes with Tear Strip Today
Give every order an unboxing your customers remember and share: a clean pull-to-open tear strip, tamper-evident security, and branding that wraps the box inside and out, all without the heavy set-up fees and drawn-out lead times you’ve come to expect. With no die or plate charges, minimums from just 100 units and a dependable 8 to 10 working day turnaround made right here in the UK, premium mailer boxes have never been this easy to commission.
Get Your Free Quote  | Speak to Our 24/7 Support Team
Send us your product dimensions, board and quantity, and we’ll return a tailored, no-obligation quote the same working day. Unsure which flute or size to choose? Our packaging specialists are on hand around the clock to help you land on the right spec for your product and your budget.
Why brands choose Hexa Custom Boxes: No die or plate charges. Low MOQs from 100. 8 to 10 day turnaround. Premium UK printing. Recyclable kraft and FSC options. Free templates and 24/7 support, every order.
