Royal Mail Maximisers

Our range of Royal Mail Large Letter and Small Parcel mailers have been designed specifically to give the maximum delivery space, yet still fall within the Royal Mailer large letter and small parcel size.

What are royal mail large letter and small parcel sizes?

  • Royal mail parcel size 450 x 350 x 160mm
  • Large Letter size 353 x 250 x 25mm

Our range of Royal Mail Small Parcel and Large Letter compliant mailers have been tried, tested and found to save time and money by the Internet’s biggest retailers…

  • Lil A5 max large letter - Letterbox packaging Royal Mail Large Letter PIP pricing in proportion
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    Lil Letterbox - A5max Large Letter

    215 x 160 x 22 mm
    from £9.30 Each (ex VAT)

    Brown in colour and guaranteed not to let you down, the Lil A5max Large Letter cardboard box is made from single wall corrugated kraft cardboard (F...

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  • Lil Letterbox AELL03 max Large letter

    Lil Letterbox AELL03 max Large letter

    345 x 245 x 22 mm
    from £14.10 Each (ex VAT)

    Custom print this box over on our Lil Studio website. Please click here. Brown in colour and guaranteed not to let you down, the Lil AELL03 max Lar...

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  • F3 Flatpack Large Letter Size

    F3 Flatpack Large Letter Size

    352 x 249 mm
    from £14.40 Each (ex VAT)

    353 x 250 x 25mm is the maximum size for the Royal Mail's Large Letter size limit. Royal Mail Large Letter size mailers! F3 large letter flatpacks...

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  • A3 Envelope

    A3 Envelope

    352 x 249 x 0-30 mm
    from £15.95 Each (ex VAT)

    Looking for a large letter envelope to maximise the Royal Mail large letter size limit of 353 x 250 x 25mm?  The Lil A3 is a large letter mailer f...

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  • C3 Bukwrap

    C3 Bukwrap

    311 x 240 x 0-50 mm
    from £17.40 Each (ex VAT)

    Looking for large letter book wraps to maximise the Royal Mail large letter size limit of 353 x 250 x 25mm?  The C3 bukwrap is a sturdy, rigid car...

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