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New Guardian C4 Envelopes Internal Mail Manilla (Pack of 250) A26310
Product Code: JDA26310
Pack Of 1
These New Guardian internal mail envelopes are made from durable, heavyweight 130gsm paper and come pre-printed with 50 address boxes. Designed to be re-used, the C4 envelopes feature a convenient tuck-in flap and are suitable for unfolded A4 documents. This pack contains 250 manilla envelopes.
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TypeInternal Envelopes
ManufacturerBong UK Ltd
BrandNew Guardian
Recycled ProductYes
Pre or Post Consumer?Pre Consumer
Pack Contains250
Width (mm)106
Depth (mm)174
Height (mm)11
Weight (kg)3.75
Minimum Recycled Content (%)100
GradeHeavy Weight
Country of OriginUK
ISO 14001 (Y/N)Yes
Mercury (ppm)No
Hexavalent Chromium (ppm)No
Recyclable (Yes/No)Yes
Recyclable Percentage100
Green ProductYes
Pre Consumer Recycled Content100
ClosureTuck-in Flap
Contains timber or derived materialsYes
Item Gauge (gsm)130
Recycled %100
Closure MethodTuck In Flap
Printed or plainPrinted
Envelope TypeInternal Envelope
Envelope Weight (gsm)130.00
Envelope ClosureTuck in Flap
Product TypeEnvelopes C4
Envelope GradeHeavy Weight
GussetNo Gusset
Flap PositionShort Edge
Envelope SizeC4
Envelope ColourManilla
OpeningShort Side
Printed TextYes
On PromotionNo
VOW 2018 UK catalogue page no326
VOW 2018 Irish catalogue page no326
Paper by NatureYes
PEFC AccreditedNo
Resealable ClosureNo
Punched HolesYes
2019 Irish catalogue page no330
2019 UK catalogue page no330
Consumer Logistics Lead Time001
Dealer Logistics Lead Time001
FSC® CertifiedYes


50 address boxes for multiple mailing trips
Boxed 250
Colour: Manilla
Heavyweight 130gsm paper
Innovative, reusable tuck-in flap ensures contents arrive in tact
Innovative, reusable tuck-in flap ensuring contents don't fall out
Internal mail envelopes with 50 address boxes
New Guardian Tuck-in Flap Internal Mail Envelopes
Pack of 250
Pack of 250 envelopes
PEFC certified
Punched holes reveal instantly if documents are enclosed
Punched holes show instantly if documents are inside
Size: C4 (324 x 229mm)
Size: C4 324x229mm
Strong 130gsm heavyweight paper
Strong heavyweight 130gsm paper ensures your documents arrive intact
Strong, resealable Intertac closure
Suitable for up to 50 trips
Tuck-in flap for re-use


The type of artwork you supply will depend on the printing process used for that particular product. Please refer to our guide below to enable you to supply the correct artwork.

Vector files: .eps , .pdf, .ai

Suitable for all types of print. The majority of print processes and product types don’t allow for the reproduction of tints of a solid colour, any tinted areas of your artwork will need to be converted to a solid colour.

Raster(pixel) files: .png , .jpg, .tiff

Suitable only for full colour/process/transfer print, cannot be used for screen printing, debossing or engraving.

What if I don't have vector format?

Our designers can convert your logo to vector format. You will need to provide artwork in high resolution format. Please don't resave your artwork using vector file format like .eps this makes no difference.

Possible extra costs

Please note that some products will have a setup cost added to the unit costs shown above. Setup costs vary from £10 - £75 depending on the items and can be per colour.


Delivery times

All delivery times are dependent upon print proof approval The average shipping time for standard packages is 3 working days but we do aim to exceed where possible.

Shipping estimate

The shipping costs are based on the volume and weight of the shipment. If you would like to have an indication of the shipping charges, please feel free to ask for a quote. The costs of shipping will be shown on the quotation.

Express service now available on hundreds of products – many items can be printed and shipped the same day, please contact us for more details.

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