Long and flat postal boxes

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Protect awkward shapes in transit with our easy-seal long and flat postal boxes

Our unique range of flat and long boxes are strong enough to protect delicate or over-sized products in the post and don’t require tape or glue. Our durable flat boxes are ideal for items that are less than 50mm thick and resist knocks and scrapes in transit. For added convenience, our postal boxes are also easy to stack and easy to assemble. A self-seal pad or strip also makes them simple to fasten and eliminates the need for extra strapping or adhesives.

If you’re looking to post longer items, rolled products or components, choose our long postal boxes. For everyday posting, choose our single-use standard postal boxes that seal securely with a self-adhesive strip. Or premium postal boxes that can be easily opened and re-closed, and are suitable for long-term storage.

Discover other innovative ways to protect your products on the move. Call 0800 542 44 28 and talk to our specialists.
 
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  • Flat brown postal boxes
  • Flat brown postal boxes


    10  references

    Flat boxes ideal for posting products up to 50 mm thick

    • 50mm high flat postal boxes
    • Sturdy alternative to postal bags
    • Ideal for posting or presenting books & DVDs
    • Cleverly constructed for easy assembly
    • Sold in packs of 50, priced per box
    >> Find out more

    from £0.25 ex. VAT

  • In stock

  • Flat white postal boxes
  • Flat white postal boxes


    10  references

    Enhance your products' presentation

    • Quick to assemble flat postal boxes
    • Sturdy alternative to bags & book wraps
    • Post or store books, DVDs & flat items
    • No need for glue or tape
    • Sold in packs of 50, priced per box
    >> Find out more

    from £0.30 ex. VAT

  • In stock

  • Extra flat brown postal boxes
  • Extra flat brown postal boxes


    5  references

    Extra flat boxes ideal for posting products up to 20 mm thick

    • Fits Royal Mail post boxes & household letter boxes
    • Economise on your postal costs
    • Manufactured in micro-flute board
    • Delivered flat packed for easy assembly
    • Sold in packs of 50, priced per box
    >> Find out more

    from £0.18 ex. VAT

  • In stock

  • Long brown postal boxes
  • Long brown postal boxes


    4  references

    Cost effective and reliable

    • Choice of five sizes suitable for rolled documents
    • Wide opening for easy insertion and removal of goods
    • Single wall corrugated board with a Kraft finish
    • Features an adhesive strip on the folding tongue
    • Sold in packs of 10, priced per box
    >> Find out more

    from £0.63 ex. VAT

  • In stock

         

  • Extra flat box with top opening
  • Extra flat box with top opening


    1 reference

    Ideal for large flat items

    • Fits Royal Mail post boxes & household letter boxes
    • Complies with pricing in proportion dimensions
    • High strength microflute with a white Kraft outer
    • Weighs only 70g
    • Sold in packs of 25, priced per box
    >> Find out more

    from £0.58 ex. VAT

  • In stock

      

  • Extra-large, panel wrap cardboard mailers
  • Extra-large, panel wrap cardboard mailers


    3  references

    Attractive and protective

    • Single wall corrugated board with a white Kraft finish
    • Extended edges to increase shock resistance
    • Each envelope has a quick retractable closure
    • Ideal for large & flat items such as calendars & posters
    • Sold in packs, priced per carton envelope
    >> Find out more

    from £0.55 ex. VAT

  • In stock

  • Extra flat white postal boxes
  • Extra flat white postal boxes


    5  references

    Post products up to 20 mm thick through letterboxes

    • Specifically designed to fit standard Royal Mail post boxes and household letterboxes
    • Manufactured in micro-flute, delivered flat packed
    • Provides ideal protection for light and flat products
    • Sold in packs of 50, priced per box
    >> Find out more

    from £0.20 ex. VAT

  • In stock

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