Luxury A4 Square Envelope Sizes | A4/C4 Luxury Coloured Envelopes

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Envelope Colours
- - Our Range Of Colour Choices
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  - Rainbow Envelopes have one of the largest selections of colours and sizes, all available direct from stock. We carry over 2 million envelopes in our UK warehouse and over 20 million available for direct dispatch from our paper mill partners.
- Special Papers
  - Pearlescent – Extensive selection of pearl, metallic and shiny envelopes
  - Textured – Great colour selections with hammered, laid and ribbed finishes
- Envelope Extras
  - A4 Coloured Paper – 60 matching paper colours to go alongside our envelopes
  - Cello Bags – Cellophane wrappers that fit our envelopes perfectly
Envelope Sizes
- We stock one of the largest selections of coloured in envelopes in a wide range of the most popular styles and finishes. If you know what size you need, choose from our selection of stock sizes, or narrow your search to either gummed (diamond flap, traditional) or peel/seal (straight flap, wallet style)
- Standard Sizes (Gummed)
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- If you're looking to save money when buying in bulk, we have a wide range of wholesale boxes available direct from stock. Save up to 25% on the regular price when you buy in bulk.
- - Trade White Envelopes
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- Wholesale Colour Envelopes
- - Looking for something bespoke?
    We have access to a huge range of additional trade packs for envelopes and packaging supplies. Contact us for details and a quote including bespoke printing for larger volume envelope orders.
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  - Are you a business looking for trade pricing on envelopes? We can setup a free trade discount account for any UK Registered business by simply contacting us at customercare@rainbowenvelopes.co.uk
Card & Paper
- A4 Paper
  - A4 Coloured Paper – A4 coloured papers to compliment our colour envelope ranges.
- Individually Cut Card Sheets
  Individually machine cut card blanks ready for decoration and overprint. Available in 8 colours and 11 sizes. Handy packs of 25, 50 & 100.
- Pre-Creased Folded Card Blanks
  Pre-creased folded card blanks ready for decoration and overprint. Available in 8 colours and 12 card blank sizes. Handy packs of 25, 50 & 100.

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Home » Envelope Sizes » Peel/Seal Envelopes » 229mm x 324mm Peel/Seal (C4/A4)

Internal Fit

C4 (to fit A4 Inserts)(37)

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Base Colour

Silver(1)
Gold(1)
Cream(1)
Yellow(4)
Pink(4)
Blue(8)
Green(5)
Black(2)
White(1)
Purple(2)
Orange(2)
Red(3)
Grey(3)

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Texture / Finish

Smooth / Wove(35)
Shiny Metallic(2)

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Paper Thickness

130gsm(2)
120gsm(35)

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Flap Seal / Style

Peel/Seal Straight Flap(37)

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Dimensions

229 x 324mm (C4/A4)(37)

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C4 Luxury Coloured Envelopes

Baby Pink 324mm x 229mm Envelope. Pink 120gsm C4 Envelope (to fit A4). Peel/Seal.

Baby Pink 324mm x 229mm Envelope. Pink 120gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.33
You save

242 in stock now

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Banana Yellow 324mm x 229mm Envelope. Yellow 120gsm C4 Envelope (to fit A4). Peel/Seal.

Banana Yellow 324mm x 229mm Envelope. Yellow 120gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.33
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985 in stock now

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Blackcurrant 324mm x 229mm Envelope. Purple 120gsm C4 Envelope (to fit A4). Peel/Seal.

Blackcurrant 324mm x 229mm Envelope. Purple 120gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.40
You save

454 in stock now

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Clariana Bright Blue Envelope C4 Pocket Closed

Clariana Bright Blue Envelope C4 Pocket Open

Bright Blue 324mm x 229mm C4 Envelope. Peel/Seal. 120gsm Pocket Flap.

From £0.25
You save

633 in stock now

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Clariana Bright Pink Envelope C4 Pocket Closed

Clariana Bright Pink Envelope C4 Pocket Open

Bright Pink 324mm x 229mm C4 Envelope. Peel/Seal. 120gsm Pocket Flap.

From £0.25
You save

835 in stock now

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Clariana Bright Red Envelope C4 Pocket Closed

Clariana Bright Red Envelope C4 Pocket Open

Out of stock

Bright Red 324mm x 229mm C4 Envelope. Peel/Seal. 120gsm Pocket Flap.

From £0.23
You save

More Due Soon...

Carribbean Blue 324mm x 229mm Envelope. Blue 120gsm C4 Envelope (to fit A4). Peel/Seal.

Carribbean Blue 324mm x 229mm Envelope. Blue 120gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.32
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633 in stock now

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Cocktail Blue 324mm x 229mm Envelope. Blue 120gsm C4 Envelope (to fit A4). Peel/Seal.

Cocktail Blue 324mm x 229mm Envelope. Blue 120gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.33
You save

176 in stock now

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Clariana Dark Blue Envelope C4 Pocket Closed

Clariana Dark Blue Envelope C4 Pocket Open

Dark Blue 324mm x 229mm C4 Envelope. Peel/Seal. 120gsm Pocket Flap.

From £0.25
You save

2831 in stock now

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Clariana Dark Green Envelope C4 Pocket Closed

Clariana Dark Green Envelope C4 Pocket Open

Dark Green 324mm x 229mm C4 Envelope. Peel/Seal. 120gsm Pocket Flap.

From £0.25
You save

1579 in stock now

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Clariana Dark Red Envelope C4 Pocket Closed

Clariana Dark Red Envelope C4 Pocket Open

Dark Red 324mm x 229mm C4 Envelope. Peel/Seal. 120gsm Pocket Flap.

From £0.25
You save

360 in stock now

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Clariana Dark Yellow Envelope C4 Pocket Closed

Clariana Dark Yellow Envelope C4 Pocket Open

Dark Yellow 324mm x 229mm C4 Envelope. Peel/Seal. 120gsm Pocket Flap.

From £0.25
You save

765 in stock now

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Egg Yellow 324mm x 229mm Envelope. Yellow 120gsm C4 Envelope (to fit A4). Peel/Seal.

Egg Yellow 324mm x 229mm Envelope. Yellow 120gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.32
You save

765 in stock now

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Flamingo Pink 324mm x 229mm Envelope. Pink 120gsm C4 Envelope (to fit A4). Peel/Seal.

Flamingo Pink 324mm x 229mm Envelope. Pink 120gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.33
You save

835 in stock now

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Metallic Gold Self Sealing C4 - 324mm x 229mm 130gsm Colour Envelope

Gold Metallic 324mm x 229mm Envelope. Gold 130gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.49
You save

1000 in stock now

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Graphite Grey 324mm x 229mm Envelope. Grey 120gsm C4 Envelope (to fit A4). Peel/Seal.

Graphite Grey 324mm x 229mm Envelope. Grey 120gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.42
You save

261 in stock now

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C4 Holly Green Pocket Envelope

Holly Green 324mm x 229mm Envelope. Green 120gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.32
You save

266 in stock now

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Lime Green 324mm x 229mm Envelope. Green 120gsm C4 Envelope (to fit A4). Peel/Seal.

Lime Green 324mm x 229mm Envelope. Green 120gsm C4 Envelope (to fit A4). Peel/Seal.

From £0.32
You save

320 in stock now

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Clariana Magnolia Envelope C4 Pocket Closed

Clariana Magnolia Envelope C4 Pocket Open

Magnolia 324mm x 229mm C4 Envelope. Peel/Seal. 120gsm Pocket Flap.

From £0.25
You save

554 in stock now

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Clariana Black Envelope C4 Wallet Closed

Clariana Black Envelope C4 Wallet Open

Matt Black 229mm x 324mm C4 Envelope. Peel/Seal. 120gsm Wallet Flap.

From £0.23
You save

4216 in stock now

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Contact our experts now: 0203 1377 133 helpdesk@rainbowenvelopes.co.uk

Rainbow Envelopes.
Triangle Business Centre
95 Commerce Way
Lancing. BN15 8UP
Tel: 01903 685686
Email: helpdesk@rainbowenvelopes.co.uk

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