A3-B Postage Box

The A3-B postage box is manufactured from durable 3mm thick corrugated board, providing reliable strength and protection for transit and storage.

Internal dimensions: 438 × 304 × 254 mm (17 × 12 × 10 inches)

Supplied in packs of 25.

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

Made from recycled materials, our cardboard boxes are manufactured at our York factory. If this size does not meet your requirements, please contact us to discuss our bespoke box service. We can manufacture custom boxes to suit your exact needs, whether for postage, packaging, or storage.