Reliable Cardboard Mailer Boxes designed for safe shipping and impressive unboxing, available with custom branding, inserts and bulk pricing.
E-commerce brands live and die by their delivery experience, and our Cardboard Mailer Boxes are built to make that first impression count. Sitting within our broader Mailer Boxes category, WOW CUSTOM BOXES UK produces these boxes to combine practical shipping protection with a clean, professional finish that reflects well on your brand the moment a parcel arrives at the customer’s door.
Constructed from single or double-wall corrugated board, our custom cardboard mailer boxes are engineered to withstand the knocks and pressure of transit through courier networks. The self-locking, fold-flat design means they arrive to you flat for easy storage, then assemble quickly without tape or additional tools, saving valuable time during busy dispatch periods.
Our cardboard shipping mailer boxes are a popular choice for online retailers sending clothing, footwear, cosmetics, homeware and subscription products. The rigid walls keep contents secure and protected from moisture, while the smooth outer surface provides an excellent base for high-quality printing.
For products that need extra stability during shipping, our cardboard mailer boxes with insert feature custom-fitted card inserts, dividers or padding that keep items snug and prevent movement inside the box. This is particularly useful for fragile items, multi-piece sets or products where presentation matters as much as protection.
First impressions matter, and our cardboard mailer boxes with logo allow you to print your branding directly onto the box exterior or interior. Whether you prefer a simple single-colour logo or a full-colour design covering the entire box, our print options help turn a standard delivery into a memorable brand touchpoint that customers are more likely to share on social media.
For businesses managing high order volumes, our cardboard mailer packaging wholesale rates make it affordable to maintain consistent, branded packaging across every shipment. WOW CUSTOM BOXES UK works with retailers of all sizes, from growing independent shops to established online stores, ensuring reliable stock levels and fast turnaround.
Our bulk cardboard mailer boxes are available in a range of standard and custom sizes, helping you match the box to your product rather than paying for wasted space. Ordering in bulk also reduces per-unit costs, making it a practical choice for growing e-commerce operations.
Get in touch with WOW CUSTOM BOXES UK today to design Cardboard Mailer Boxes that protect your products and strengthen your brand with every delivery.
| Box Type | Tuck-Top, Roll-End & Full-Flap options |
| Default Material | Kraft & E-flute Corrugated |
| Available Sizes | Fully bespoke — any width, length & depth |
| Minimum Order | From 100 units |
| Printing | CMYK, Pantone (PMS), Digital & Offset |
| Turnaround | 8–16 working days depending on service |
| Shipping | Free UK delivery on qualifying orders |
Protect your print and elevate the feel of your boxes with our coating and lamination options:
Matte gives a premium, understated finish; gloss makes colours pop. Soft-touch adds a luxurious tactile feel perfect for high-end brands.
All our materials are FSC-certified and recyclable. Kraft offers a natural eco look, corrugated gives shipping strength, and rigid board delivers a premium luxury feel.
Add a tactile, premium dimension to your packaging. Foil and embossing are perfect for logos, while spot UV creates eye-catching contrast on matte surfaces.
| Light (300–350 GSM) | Folding cartons, lightweight retail boxes |
| Medium (350–450 GSM) | Standard mailer boxes, product packaging |
| Heavy (E-flute) | Shipping mailers, e-commerce protection |
| Rigid (1200–1500 GSM) | Luxury rigid & gift boxes |