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Detailed description

Extra flat boxes for posting items up to 20 mm thick

Especially formatted to fit standard Royal Mail post boxes and household letter boxes these extra flat postal boxes have been manufactured in micro-flute with a time saving adhesive strip.

These boxes allow you to send your small volume and flat products whilst economising on your postal costs. Delivered flat packed for easy assembly. All dimensions are internal mm.

To find the right box for your products, call us on 0800 542 44 28and talk to our packaging specialists.

Quantity Available in packs of 50 boxes. Want to order in bulk? See our discounts for 2 or more packs.

Size and shape options These extra flat cardboard postal boxes start at 140x90mm (LxW) and go up to 305x220 mm (LxW). All height measurements are 20mm.

Weights and limits These boxes provide ideal protection for light and flat products.

Materials Manufactured from microflute.

Delivery information Delivered flat-packed in packs of 50.



Customer reviews

2 reviews
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  • Excellent product, perfect for what we need

    By Steve 12/08/20 15:26 Verified Purchase by  Trustpilot

    Reference : MBD03BS - Extra flat brown postal boxes with an adhesive strip

  • Great product

    By Lucas 05/08/20 19:31 Verified Purchase by  Trustpilot

    Reference : MBD02BS - Extra flat brown postal boxes with an adhesive strip