A4 Postage Boxes – Single or Double Wall

Our A4 boxes are available in either 3mm B Flute single-wall or 4.5mm EB Flute double-wall corrugated board, allowing you to choose the level of strength best suited to your requirements.

3mm B Flute Single-Wall Option
This version features two multi-crease height adjustment lines, enabling the box height to be neatly reduced with minimal cutting.
Internal dimensions: 305 × 215 × 254 mm (12 × 8 × 10 inches)
Supplied in packs of 25.

4.5mm EB Flute Double-Wall Option
Manufactured for enhanced strength and durability.
Internal dimensions: 305 × 215 × 242 mm (12 × 8 × 9.5 inches)
Supplied in packs of 25.

Please select your preferred board thickness from the dropdown menu above.

We can ship up to 20 kg of boxes for a single delivery charge of £8.00 (ex VAT).

Manufactured from recycled materials at our Market Weighton factory, our boxes are produced to a high standard of quality. If this size does not meet your requirements, please contact us to discuss our bespoke box service. We can manufacture custom boxes tailored to your needs, whether for postage, packaging, or storage.