Description
457 × 305 × 305 mm Double Wall Cardboard Box (18×12×12″)
This 457 × 305 × 305 mm double wall cardboard box — also referred to as an 18×12×12 inch heavy‑duty box — is engineered for strength, durability and reliable protection of medium to heavier items, whether you’re shipping, storing or moving goods.
Manufactured from double wall corrugated board, these boxes deliver excellent stacking strength and crush resistance, far outperforming single wall equivalents.
📦 Built for Strength & Protection
Double wall corrugated construction provides:
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Increased resistance to impact and crushing
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Greater stacking performance for pallet use
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Heavy load support
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Better protection in transit or storage
Perfect for heavier items, retail shipping, warehouse use, export packing and home removals.
📐 Product Specifications
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Internal Size: 457 × 305 × 305 mm
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Imperial Dimensions: 18×12×12 inches
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Corrugated Type: Double wall cardboard
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Colour: Natural brown kraft
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Use Cases: Shipping, storage, removals, eCommerce packing
💪 Why Choose This Box?
✔ Strong double wall corrugated strength
✔ Reliable protection for heavy loads
✔ Ideal for multiple applications
✔ Compatible with standard packing tape
✔ Fast UK availability and delivery
Whether you’re packing heavier household goods, storing tools and equipment, or preparing boxed products for dispatch, this box is a dependable and cost‑effective choice.
🔧 Recommended Uses
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Warehouse & distribution
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Shipping & courier dispatch
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Export packing
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Home removals & storage
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Retail assembly & dispatch
FAQ
Q: What’s included in the box dimensions?
Dimensions refer to internal measurements (length × width × height) in millimetres and inches.
Q: How strong are double wall boxes?
Double wall boxes are significantly stronger and more crushing resistant than single wall, making them suitable for heavier or fragile items.
Q: What tape should I use?
Heavy duty packing tape (48–72 mm wide) is recommended for secure closure.









