Reliable & Professional Postal Packaging
Our medium black flatpack postal box is perfect for gifts, small clothing items, accessories, and beauty products. Its durable corrugated design ensures your items stay safe during postage, while the smart black interior enhances your brand presentation.
Royal Mail Friendly Design
Sized for Royal Mail small parcel dimensions, this postal box helps keep your shipping costs low and ensures smooth delivery — perfect for ecommerce, craft sellers, and independent brands across the UK.
Quick Assembly & Secure Closure
With its auto-lock design, this box holds its shape effortlessly once assembled. Dual adhesive strips provide a secure seal, while the tear-off strip makes unboxing easy and tidy for your customers.
Ideal for- Ecommerce & subscription box orders
- Gift and boutique packaging
- Mailing beauty, candles, or accessories
- Online retail businesses in the UK
Specifications- Outer: Brown flute cardboard
- Inner: Black kraft finish
- Closure: 2 adhesive strips + tear-off strip
- Design: Auto-lock, ships flat
- Internal Dimensions: 160 x 110 x 55mm
- Sold in: Multiples of 25
Custom Printing Available
Enhance your brand presence with custom-printed postal boxes featuring your logo or bespoke design — simply request a quote to get started.
Fast UK Delivery
Available now from
OnlinePrintingFactory, with nationwide delivery and bulk order options to suit your business needs.Order your Cardboard Postal
Boxes today — secure, stylish, and ready for Royal Mail shipping.