Strong Recycled Single Wall Cardboard Packing & Shipping Box – 12×9×6″ (304.8×228.6×152.4 mm, Eco-Friendly Postal Box UK)
Strong Recycled Single Wall Cardboard Packing & Shipping Box – 12×9×6″ (304.8×228.6×152.4 mm, Eco-Friendly Postal Box UK)
This strong 12×9×6 inch single wall cardboard box is a reliable choice for medium-sized items that need balanced internal space without moving up to a bulky parcel. It is widely used for clothing, books, printed goods, home accessories, gifts, electronics accessories and general e-commerce fulfilment. Made from 100% recycled cardboard, it provides dependable strength with a clean kraft finish that looks professional on delivery. The rectangular profile maximises packing efficiency while helping to keep postage costs down across Royal Mail, DPD, Evri, Yodel, UPS and DHL. A practical, versatile and sustainable box for busy warehouses, online sellers, craft makers and retail brands.
Why Choose This 12×9×6″ Box?
- Strong B-Flute recycled cardboard for everyday packing and shipping
- Ideal for e-commerce, retail, craft businesses and subscription products
- Saves space thanks to efficient rectangular design
- Presents well for gifting and boutique deliveries
- Lightweight to help reduce postage costs
- Fully recyclable, biodegradable and compostable
Technical Specifications
- Internal Size: 12×9×6″ (304.8×228.6×152.4 mm)
- Material: 100% recycled corrugated cardboard
- Flute Type: B Flute
- Board Grade: 450TL2TCSF
- Colour: Natural brown kraft
- Recyclable: Yes
- Biodegradable: Yes
- Compostable: Yes
Multi-Buy Pricing (inc VAT)
| Pack Size | Total Price | Per Box |
|---|---|---|
| 25 Boxes | £13.99 | £0.56 |
| 50 Boxes | £24.99 | £0.50 |
| 75 Boxes | £34.99 | £0.46 |
| 100 Boxes | £44.99 | £0.45 |
| 200 Boxes | £86.99 | £0.43 |
What Fits Inside This Box?
This size is ideal for folded clothing, boxed gifts, textiles, books, craft supplies, beauty products, accessories, electronics cables, homeware and multi-item e-commerce orders. The wider footprint allows for side-by-side packing of smaller items.
How to Pack This Box Effectively
- Use quality tape to secure the base with an H-pattern
- Add kraft paper or void fill around loose items
- Ensure items do not move during transport
- Seal the top using strong tape for courier handling
Size Guidance (Internal Measurements)
All measurements listed are internal to ensure accurate fit when planning your packing workflow. Allow extra space for padding where required.
Box Strength & Weight Capacity
This B-Flute box comfortably supports around 4–5 kg when packed correctly. For very dense or fragile contents, consider a double wall alternative.
Courier & Postal Guidance
Fits well across major UK carriers. Compare final packed size with courier rules:
Sustainability & Environmental Benefits
Made from 100% recycled cardboard. Fully recyclable, biodegradable and compostable. Manufactured to reduce waste and support sustainable packaging practices.
Packing Best Practices
Use padded wrap for delicate items, avoid empty space, fold textiles neatly and test the box by gently shaking it before sealing.
Fit Testing
If you are unsure whether your product fits this size, samples are available on request via WhatsApp or email.
Trade & Wholesale Supply
Bulk quantities and scheduled repeat deliveries available for businesses, fulfilment centres, retailers and subscription brands.
Delivery & Despatch
- Same-day despatch before 5 pm (Mon–Fri)
- Royal Mail Tracked for smaller orders
- DPD Next Day Delivery available
- DPD Saturday Delivery (optional)
Recommended Packaging Supplies
Related Packaging
| Material | 100% Recycled Corrugated Cardboard |
| Size | 12x6x6 Inch (305x152x152 mm) |
| Color | Brown Kraft |
| Assembly | Flat-packed; Seal With Packing Tape |
| Board Grade | 450TL2TCSF |
| Eco-Friendly | Fully Recyclable Biodegradable and Compostable |
| Flute | B Flute |
| Internal Dimensions (inch) | 12 × 6 × 6 |
| Internal Dimensions (mm) | 304.8 × 152.4 × 152.4 |
| Max Recommended Weight | Approx. 3–4 kg When Packed Correctly |
| Recommended Storage Temperature | 13–21°C For Best Performance |
| Sustainability | Fully Recyclable |
What can I pack in a 12×9×6 inch cardboard box?
Is this box strong enough for courier shipping?
Is the box suitable for Royal Mail and DPD?
Are these boxes fully recyclable?
Do the boxes arrive flat-packed?
How much weight can this box hold?
Can I order trade or bulk quantities?
Is this box suitable for subscription deliveries?
What is the best way to seal this box?
Can I check fit before buying larger quantities?
Royal Mail 24 Tracked
Dispatched same day if ordered before 5 pm Monday to Friday. Please allow up to 1-2 days for delivery.
£1.99
DPD Next Day
Dispatched same day if ordered before 3 pm Monday to Thursday. Not available to Scottish Highlands & Islands.
£4.99
Free on orders over £100