Royal Mail Maximisers

A5 Envelope

448 x 328 x mm
In stock

Look no further for small parcel envelopes, the A5 Envelope ensures the cheapest postal tariff every time. Maximising the small parcel size limit and reducing your postal costs, these cardboard envelopes are perfect for  packing up picture frames, calendars and other media. These envelopes are better than bubble mailers - the corner stiffness of the A5 envelope cuts damage in transit.  Online retailers report nearly 70% fewer returns and 25% faster packing. If you need sturdy small parcel mailers, look no further!

1-9 £1.105 each (ex vat)
  • Weight147g
  • Qty box100
  • Qty pallet4800
  • 10+ £0.762 save 31%
  • 25+ £0.734 save 34%
  • 50+ £0.714 save 35%
  • 100+ £0.693 save 37%
  • 200+ £0.492 save 55%
  • 500+ £0.438 save 60%
  • 1000+ £0.381 save 66%
  • 2000+ £0.305 save 72%
  • 5000+ £0.294 save 73%
  • 10000+ £0.284 save 74%

Looking for small parcel envelopes to maximise the Royal Mail small parcel size limit of 450 x 350 x 160mm? The Lil A5 envelope is a small parcel sized product for sending large items through the mail - It is our largest envelope mailer. Ideal for artwork packaging, the Lil A5 is constructed out of 450gsm card, the Lil A5 small parcel mailers have specially designed folds to provide impact protection around the edges, to help minimise the risk of impact damage on the valuable products within.  The envelope features our leading peel'n'seal / red tear-strip system for easy sealing and opening. The Lil A5 is particularly popular for safely sending artwork, pictures, frames, and visual media through the mail.

All products within our envelope range are made from 100% recycled and are 100% recyclable. The Lil envelopes are the most eco-friendly plastic free alternative to a standard padded envelope or bubble mailer and they represent a significant step forward in the removal of single use plastics from ecommerce packaging. Eco friendly padded envelopes that are stuffed with post consumer recycled fibre actually use MORE material than our envelopes and are considerably slower to pack, yet do not provide any additional protection or cost savings. This is why our envelopes are trusted to deliver products and media across the globe by the internet's biggest online retailer.

Royal Mail small parcel envelope maximiser for cheaper postal tariff mailings. We have extensively researched the envelope range to get the snuggest fit for your products. The A5 small parcel mailer will therefore help to lower your postage costs by achieving the lowest possible mailing tariff.

This range was co-developed with one of the Internet's largest retailers... so you might recognise our envelopes!

The Lil A5 Envelopes are the equivalent size of an A3 calendar envelope, and fit 100% of all A3 calendars and artworks.

Tired of returns and unhappy customers? These envelopes are better than bubble mailers - the corner stiffness of the Lil A5 envelope cuts damage in transit.  Online retailers report nearly 70% fewer returns and 25% faster packing. Struggling with storage space for your packaging? The easy stack design of the A5 envelope is the answer.


As Mainline Flatpacks Ltd in 2011, our award winning envelope range was hailed as the 21st century equivalent to a jiffy bag bubble envelope. This brilliant, tough little envelope is one of our best selling item for a reason. If you're looking for sturdy and cost effective packaging for mailing A3 calendars and artwork think of nothing else (rather than cheap envelopes that fall apart, leave your items damaged and your customers dissatisfied!). Go on...burst the bubble!

Color Brown Corrugated
Flap Type Hotmelt Peel & Seal with red rip strip opening
Height 0
Glue Seams External seams
Internal Width MM 448
Width (mm) 401 - 500
Internal Length MM 328
Length (mm) 301 - 400
Height (mm) No
Internal Width Inches 17.99
Internal Length Inches 12.87
Item Thickness 450gsm / 570mic
Item Weight (g) 147
Pallet Size 100x120x130cm / 40x48x51"
Quantity per Box/Pack 100
Quantity per pallet 4800
Width 448
  • 100% recyclable

  • easy open tear strip

  • fits small parcel

  • peel 'n' seal

  • supplied form strapped

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