Flatpack

F5 Flatpack

445 x 325 x mm
In stock - 11587 LEFT
Look no further for small parcel cardboard envelopes, the F5 Flatpack ensures the cheapest postal tariff every time. Maximising the small parcel size limit and reducing your postal costs. These small parcel flatpacks are perfect for  packing up A3 sized items such as artwork, maps, pictures or frames through the post. The F5 Flatpack is a seriously strong, secure & professional package. Fast to pack, tamper proof protection...
From £1.24

Looking for small parcel cardboard envelopes to maximise the Royal Mail small parcel size limit of 450 x 350 x 160mm? The Lil F5 small parcel flatpacks are A3 in size and commonly used for delivering artwork, maps, pictures, frames, and lots of other big, flat items through the postal system. The Lil F5 small parcel flatpacks are made from 150gsm 'Kraft' e-flute corrugated board; very stiff, tough stuff.  Every single flatpack in our range uses our leading hot melt peel'n'seal / red tear-strip system for easy sealing and easy opening.  Plus, they are all 100% recyclable and FSC® certified / PEFC approved.

Royal Mail small parcel cardboard envelope maximiser for cheaper postal tariff mailings. We have extensively researched the flatpack range to get the snuggest fit for your products. The F5 small parcel flatpack will therefore help to lower your postage costs by achieving the lowest possible mailing tariff.

The Lil F5 small parcel cardboard envelopes are the stiffest envelopes known to man!

If you're using stiffeners, void-fill or airbags in your packaging, the Lil F5 flatpack is a better way to package what you're sending.

Our Flatpacks are fast to pack because release paper overhangs the hot melt peel and seal flap on this stiff mailer. The hot melt adhesive peel and seal closure provides the best seal - at least twice the strength of standard double sided-tape.

Safe in transit but easy to open when it arrives. This really is tamper proof packaging.


Your packaging is the first time that your customers physically experience your product. Getting it right is your chance to make the best first impression. We help you do just that.

With a clear understanding of what you need, we use our knowledge and expertise to guide you to the most appropriate solutions. It's about delivering unrivalled service. Over 98% of our orders are dispatched within 24 hours.

Color Brown Corrugated
Flap Type Hotmelt Peel & Seal with red rip strip opening
Height 0
Glue Seams External seams
Internal Width MM 445
Width (mm) 401 - 500
Internal Length MM 325
Length (mm) 301 - 400
Internal Width Inches 17.3
Internal Length Inches 12.6
Item Thickness 150K E
Item Weight (g) 128
Quantity per Box/Pack 100
Quantity per pallet 2400
Width 445
  • 100% recyclable

  • easy open tear strip

  • fits small parcel

  • FSC® certified products

  • peel 'n' seal

  • supplied form strapped