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

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Envelope Colours
- - Our Range Of Colour Choices
    - Black
    - Blue
    - Brown
    - Cream
    - Gold
    - Green
    - Grey
    - Neutral
    - Orange
    - Pink
    - Purple
    - Red
    - Silver
    - White
    - Yellow
    - Kraft
  - 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)
- Standard Sizes (Peel/Seal)
- Greeting Card Sizes
- Square Envelopes
- Speciality Sizes
Colour Packs
- Discounted Value Pack Bundles
- Multi-coloured Envelope Packs
Bulk Discount
- 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
    - 100gsm White Gummed
    - 100gsm White Square
- 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.
  - Business Trade Accounts
  - 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)(36)

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Base Colour

Silver(1)
Gold(1)
Cream(1)
Yellow(4)
Pink(4)
Blue(7)
Green(5)
Black(2)
White(1)
Purple(2)
Orange(2)
Red(3)
Grey(3)

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Texture / Finish

Smooth / Wove(34)
Shiny Metallic(2)

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Paper Thickness

130gsm(2)
120gsm(34)

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Flap Seal / Style

Peel/Seal Straight Flap(36)

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Dimensions

229 x 324mm (C4/A4)(36)

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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

197 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
You save

50 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

1 in stock now

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Clariana Bright Blue Envelope C4 Pocket Ratio

Clariana Bright Blue Envelope C4 Pocket Open

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

From £0.25
You save

779 in stock now

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Clariana Bright Pink Envelope C4 Pocket Ratio

Clariana Bright Pink Envelope C4 Pocket Open

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

From £0.25
You save

227 in stock now

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Clariana Bright Red Envelope C4 Pocket Ratio

Clariana Bright Red Envelope C4 Pocket Open

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

From £0.23
You save

391 in stock now

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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
You save

238 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

122 in stock now

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Clariana Dark Blue Envelope C4 Pocket Ratio

Clariana Dark Blue Envelope C4 Pocket Open

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

From £0.25
You save

371 in stock now

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Clariana Dark Green Envelope C4 Pocket Ratio

Clariana Dark Green Envelope C4 Pocket Open

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

From £0.25
You save

850 in stock now

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Clariana Dark Red Envelope C4 Pocket Ratio

Clariana Dark Red Envelope C4 Pocket Open

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

From £0.25
You save

1461 in stock now

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Clariana Dark Yellow Envelope C4 Pocket Ratio

Clariana Dark Yellow Envelope C4 Pocket Open

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

From £0.25
You save

412 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

138 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

264 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

1004 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

100 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

69 in stock now

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

Out of stock

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

From £0.32
You save

More Due Soon...

Clariana Magnolia Envelope C4 Pocket Ratio

Clariana Magnolia Envelope C4 Pocket Open

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

From £0.25
You save

559 in stock now

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Clariana Black Envelope C4 Wallet Ratio

Clariana Black Envelope C4 Wallet Open

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

From £0.23
You save

2212 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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