Heavy-Duty Strong Single Wall Cardboard Box 14×14×14″ (355.6×355.6×355.6 mm) – Recycled, Rigid & Reliable Packing Box UK
Heavy-Duty Strong Single Wall Cardboard Box 14×14×14″ (355.6×355.6×355.6 mm) – Recycled, Rigid & Reliable Packing Box UK
This 14×14×14″ heavy-duty single wall cardboard box is a strong, reliable and spacious cube designed for large items, bulk orders and products that need firm all-round protection. Made from upgraded recycled board, it offers near double wall performance while staying light enough for sensible courier pricing. A popular choice for online retailers, fulfilment centres and subscription brands that need a clean, rigid and eco-friendly box for bigger shipments.
A Large, Rigid Cube Box for Bigger Shipments
Large cube boxes often collapse when made from normal single wall. Corners bow out, edges fail and products arrive damaged. This upgraded heavy-duty grade is built to prevent that. It delivers excellent crush resistance, firm edges and a stable structure ideal for courier handling, pallet stacking and warehouse storage.
- Stronger than standard single wall – near double wall strength
- Large cube design for balanced, even protection
- Rigid sides prevent bowing and distortion
- Lightweight enough for fair courier rates
- Made from fully recycled board and fully recyclable
What This 14×14×14″ Box Is Commonly Used For
This large cube size is used across the UK for:
- Large clothing bundles, jumpers, hoodies and multi-item orders
- Homeware, kitchen items, boxed household goods
- Gift hampers, curated sets and corporate gifting
- Large candles, home fragrance packs and display sets
- Craft supplies, hobby kits and bulky materials
- Electronics accessories, components and boxed products
- Subscription boxes, seasonal boxes and promotional merchandise
Measurements & Internal Size
Internal size: 14×14×14″ (355.6×355.6×355.6 mm).
All measurements are internal for accurate product fitting.
Nearby Sizes & Alternatives
If you need a slightly smaller cube:
Need a rectangular heavy-duty option instead?
Prefer a lower-cost standard single wall?
Heavy-Duty vs Standard Single Wall
| Feature | Heavy-Duty 14×14×14″ | Standard Single Wall |
|---|---|---|
| Strength | Upgraded rigid board – close to double wall | Basic everyday strength |
| Best For | Large orders, homeware, hampers, bulky items | Light, low-value items |
| Weight Capacity | Typically 8–10 kg | 3–4 kg |
| Durability | Excellent crush resistance | Moderate durability |
Box Strength & Capacity
This size uses a heavier B-Flute board chosen for better compression strength and edge protection. With proper packing and strong tape, it is commonly used for loads around 8–10 kg, depending on contents and courier.
How to Pack This Box Effectively
- Wrap heavier items well with kraft paper or bubble
- Use void fill to prevent movement
- Place heavier goods centrally for balanced support
- Seal with high-quality packing tape – H-seal is recommended
Sustainability & Environmental Benefits
This box is made from 100% recycled cardboard and is fully recyclable, biodegradable and compostable. No plastics or mixed materials are used, making disposal simple and eco-friendly.
Multi-Buy Pricing (inc VAT)
| Pack Size | Total Price | Per Box |
|---|---|---|
| 15 Boxes | £24.99 | £1.67 |
| 30 Boxes | £44.99 | £1.50 |
| 60 Boxes | £89.99 | £1.50 |
| 120 Boxes | £164.99 | £1.37 |
Trade and pallet pricing available – ideal for fulfilment centres and regular high-volume shippers.
Courier Compatibility
This 14×14×14″ box works well with Royal Mail (for larger parcel services), Evri, Yodel, DPD, UPS and DHL. The cube shape stacks neatly, making it suitable for pallet loads and conveyor systems.
Useful Courier Size Guides
- Royal Mail – Size Guide
- Evri – Size Guide
- Yodel – Size Guide
- DPD – UK Parcel Guidance
- UPS Dimensions & Weight
Related Boxes & Collections
- 12×12×12″ Heavy-Duty Single Wall Box
- 15×10×10″ Heavy-Duty Single Wall Box
- 12×9×9″ Standard Single Wall Box
- All Cardboard Boxes
- Single Wall Boxes
- Small Cardboard Boxes
Why Buy from Us?
We supply strong, reliable cardboard boxes to thousands of UK businesses every month. Our heavy-duty single wall range is chosen for its consistent strength, neat finish and dependable courier performance. With fast despatch, fair pricing and helpful support, we aim to make your packing straightforward and stress-free.
Delivery & Despatch
- Same-day despatch before 5 pm (Mon–Fri)
- Royal Mail Tracked for small orders
- DPD Next Day available
- DPD Saturday delivery on request
Need Advice?
If you’re unsure whether this 14×14×14″ box is the best fit, our team can help you compare sizes and recommend alternatives.
- WhatsApp: +44 7450 981838
- info@mrbags.co.uk
- Click & Collect: 10A Locket Street, Manchester, M8 8EE
- Opening hours: Mon–Fri 10:00–19:00 | Sun 11:00–18:00
| Material | 100% Recycled Corrugated Cardboard |
| Size | 14x14x14 Inch (356x356x356 mm) |
| Color | Brown Kraft |
| Assembly | Supplies flat-packed (Sealed with Packing Tape) |
| Eco-Friendly | Fully Recyclable Biodegradable and Compostable |
| Flute Type | B Flute |
| Recommended Storage | Store in a dry environment at 13–21°C for best performance |
| Shape | Cube |
| Strength | Heavy-Duty Single Wall (Near Double Wall Performance) |
| Weight Capacity | Typically up to 8-10 kg when packed correctly |
What can I pack in a 14x14x14 inch cardboard box?
This large cube size is ideal for clothing bundles, homeware, hampers, craft supplies, electronics accessories and larger subscription boxes.
Is this 14x14x14 box stronger than standard single wall?
Yes. It uses an upgraded heavy-duty board that offers near double wall performance.
Are the 14x14x14 measurements internal?
Yes. All measurements are internal to show the true packing space inside the box.
How much weight can this box hold?
When packed correctly with suitable padding, this heavy-duty cube box typically handles loads around 8–10 kg.
Is this box eco-friendly?
Yes. It is made from 100% recycled cardboard and is fully recyclable, biodegradable and compostable.
Does the box arrive flat-packed?
Yes. All boxes are supplied flat-packed to save storage space and make assembly easy.
Is this box suitable for courier shipping?
Yes. It works well with Royal Mail, DPD, Evri, UPS, DHL and Yodel. Always check final packed weight.
Do you offer bulk or trade pricing?
Yes. Multi-buy discounts are listed and pallet pricing is available for fulfilment centres and trade customers.
Can I order a sample before buying?
Yes. Samples can be arranged so you can test the size and strength before placing a larger order.
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