Double Wall Boxes/Cartons
760 x 455 x 305 mm (30 x 18 x 12) Double Wall Carton — Heavy-Duty Shipping & Storage Box
This double wall corrugated carton in the popular 760 x 455 x 305 mm (commonly referenced as 30 x 18 x 12) format is designed for dependable packing, shipping and storage where extra strength is required. Double wall construction is typically chosen when you need improved protection, better stacking performance and greater resistance to knocks compared with lighter-duty single wall boxes.
Whether you’re dispatching products, consolidating multiple items into one outer carton, or preparing goods for storage, this size offers a practical balance of capacity and handling. It’s a versatile choice for warehouses, eCommerce fulfilment, removals, trade counters and general industrial packing.
Key Features
Double wall strength
Built using double wall corrugated board for enhanced rigidity and durability, helping protect contents during handling and transit.
Popular, easy-to-spec size
Listed as 760 x 455 x 305 mm and widely recognised as 30 x 18 x 12, making it straightforward to match to existing packing processes and carrier requirements.
Versatile for shipping, storage and moving
A practical carton format for a wide range of packing tasks—from outbound distribution to internal transfers and archiving.
Good stacking performance
Double wall cartons are commonly selected where cartons may be stacked in storage or on pallets and you want added confidence in compression resistance.
Compatible with standard packing methods
Designed to be sealed with common packaging tapes and used with typical void fill and cushioning materials.
- Double wall corrugated construction for heavy-duty protection
- 760 x 455 x 305 mm (also referenced as 30 x 18 x 12)
- Ideal for shipping, storage, removals and warehouse use
- Suitable for packing single items or consolidated orders
- Works with standard tapes and packing materials
Typical Uses
- Shipping heavier or more fragile items that benefit from a stronger outer carton
- Warehouse picking and consolidation (multiple items packed into one dispatch carton)
- Storage and archiving where cartons may be stacked
- Removals and relocation packing for household or office items
- Trade and industrial packing for parts, components and supplies
760 x 455 x 305 mm Double Wall Carton — Full Product Guide
Choosing the right carton is about more than just dimensions. Board construction, handling conditions, stacking, and the type of goods being packed all influence performance. Use the guide below to decide if this double wall carton is the right fit for your application and to get the best results from it.
How It Works
This carton is a corrugated cardboard shipping box made with double wall board. In practical terms, double wall cartons are commonly used when you want a sturdier box that holds its shape better under load and offers improved protection against impacts and compression compared with lighter-duty cartons.
For best performance, assemble the carton squarely, ensure the base is properly sealed, and use appropriate cushioning/void fill so contents cannot move during transit.
Materials and Construction
Corrugated board (double wall)
Double wall corrugated board typically uses two corrugated layers (flutes) with liner papers, creating a thicker, more rigid structure. This construction is widely chosen for demanding packing tasks, including heavier items, longer distribution chains, or situations where cartons may be stacked.
Carton style
This product is supplied as a flat-packed carton that is assembled by folding along pre-scored lines and sealing with tape. Flat-packed supply helps reduce storage space before use and supports efficient packing operations.
Floor Type Compatibility
In warehouse and packing environments, cartons are often moved across different floor types and handling systems. This carton format is suitable for typical operations such as:
- Manual handling and bench packing
- Palletisation and storage racking
- Movement on smooth warehouse floors using trolleys or pallet trucks (when palletised)
If cartons will be dragged, pushed across rough surfaces, or exposed to damp floors, consider using pallets, slip sheets, or additional protective wrap to reduce abrasion and moisture exposure.
Health and Safety
- Manual handling: Choose a carton size and packing weight that can be lifted safely. If packing heavy items, use team lifting or mechanical aids where appropriate.
- Cutting safety: Use safety knives when opening cartons and keep blades away from the body.
- Stacking: Stack on stable, level surfaces and avoid over-stacking. Heavier cartons should be placed lower in a stack.
- Transit safety: Ensure cartons are sealed correctly and labels are applied clearly to reduce handling issues.
Ideal Applications and Use Cases
This carton size and construction is commonly selected for:
- eCommerce and fulfilment: A strong outer carton for multi-item orders or higher-value goods.
- Industrial and trade supply: Packing parts, components, tools, and consumables that need a robust shipper.
- Storage and archiving: Suitable where cartons may be stacked and you want added rigidity.
- Removals: A heavy-duty option for moving and storing household or office items.
Maintenance, Cleaning and Care
Corrugated cartons are designed for packing and protection rather than cleaning. To keep cartons in good condition before use:
- Store flat-packed cartons in a dry, indoor environment.
- Avoid prolonged exposure to moisture or high humidity.
- Keep away from direct contact with wet floors; use pallets or shelving.
- If a carton becomes crushed, torn, or damp, replace it to maintain packing performance.
Case Study (Example Packing Workflow)
Scenario: A small fulfilment operation dispatches mixed orders that include multiple items per shipment. They need a carton that holds shape during packing, stacks well on a pallet, and provides reliable protection in carrier networks.
Approach: The team selects a double wall carton in a widely used size so it integrates easily with existing shelving and packing benches. They assemble the carton, reinforce the base seam with quality packing tape, add cushioning where needed, and ensure items are immobilised with void fill.
Result: A consistent packing process with a robust outer carton that supports stacking and reduces the risk of damage from knocks and compression during transit.
Who Is It For?
- Warehouses and distribution centres needing a dependable heavy-duty carton
- eCommerce brands shipping products that require stronger outer packaging
- Manufacturers and trade counters packing parts and supplies
- Offices and facilities teams organising storage and internal moves
- Households and removals companies wanting a sturdier moving box option
Colours / Features Available
This listing is for a corrugated carton (typical kraft/brown board appearance). Product features focus on the double wall construction and the specified carton size.
Sizes Available
This product page represents a specific carton size: 760 x 455 x 305 mm (also referenced as 30 x 18 x 12). If you require alternative sizes or a different board construction, consider selecting another carton size within the double wall range.
Note on dimensions: Product listings may present dimensions in millimetres and/or inches. Always confirm whether dimensions are stated as internal or external if your application requires a precise fit.