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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)
      • C5/A5 V-Flap Gummed – 162mm x 229mm
      • C6/A6 V-Flap Gummed – 114mm x 162mm
      • C7/A7 V-Flap Gummed – 82mm x 113mm
      • DL / Letterbox Gummed – 110mm x 220mm
    • Standard Sizes (Peel/Seal)
      • C4 – To Fit Full A4 Inserts – 229mm x 324mm Straight Flap
      • C5 – To Fit A5 Inserts – 162mm x 229mm Straight Flap
      • DL/DL+ To Fit Tri-Folded A4 – 110mm x 220mm / 114mm x 229mm
      • C6 – To Fit A6 Inserts – 114mm x 162mm Straight Flap
    • Greeting Card Sizes
      • To Fit A5 Single Invitations – 152mm x 216mm
      • To Fit 5″x7″ Cards – 133mm x 184mm
      • B6 Invitation Cards – 125mm x 175mm
      • Square 155mm V-Flap – 155mm x 155mm Square
    • Square Envelopes
      • 155mm Square V-Flap Gummed – 155mm x 155mm Square
      • 130mm Square V-Flap Gummed – 130mm x 130mm Square
      • Large 220mm Square Peel/Seal – 220mm Square Straight Flap
      • Square Peel/Seal Envelopes – 155mm/160mm Straight Flap
    • Speciality Sizes
      • Business/Credit Card – 65mm x 94 V-Flap Gummed
      • Letterbox Style – 80mm x 215mm V-Flap Gummed
      • Place / RSVP Cards – 70mm x 110mm
      • Pearlescent Envelope Sizes
  • Colour Packs
    • Discounted Value Pack Bundles
      • A4 (C4) Envelopes – 229mm x 329mm
      • A5 (C5) Envelopes – A5 (C5) Envelopes
      • A6 (C6) Envelopes – 114mm x 162mm
      • A7 (C7) Envelopes – 82mm x 113mm
      • DL/DL+ Envelopes – 110mm x 220mm
      • A5 Greeting Card – 152mm x 216mm
      • 5″ x 7″ Envelopes – 133mm x 184mm
      • Invite Envelopes – 125mm x 175mm
      • Square Envelopes – Assorted Sizes…
      • All Envelope Packs – See All Our Packs
    • Multi-coloured Envelope Packs
      • Rainbow Colours
      • Delicate Pastels
      • Santas Festive 5
      • Award Ceremony
      • Luxury Colour Mix
      • Luxury Soft Pastels
      • Luxury Xmas
      • Shades Of Green
      • Halloween Parties
      • Shiny Metallics
      • Olympic Rings
      • Pink & Purple
  • 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
      • A4/C4 229mm x 324mm
      • C5/A5 162mm x 229mm
      • C6/A6 114mm x 162mm
      • DL 110mm x 220mm
      • DL+ 114mm x 229mm
      • 220mm Large Square
      • 160mm/155mm Square
      • 1k Cello Bag Bulk Boxes
      • 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 PaperA4 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.
        • A4 Card
        • A5 Card
        • A6 Card
        • A7 Card
        • 5×7 Card
        • DL Card
        • Invitation Card
        • Gift / Place Card
        • 6″ Square Card
        • Large Square Card
        • Small Square Card
    • 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.
        • A4 Card Blanks
        • A5 Card Blanks
        • A6 Card Blanks
        • A7 Card Blanks
        • DL Card Blanks
        • 5×7 Card Blanks
        • Invitation Card Blanks
        • Gift / Place Card Blanks
        • Tri-Fold Card Blanks
        • 6″ Square Card Blanks
        • Large Square Card Blanks
        • Small Square Card Blanks
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    • Neutral Colour EnvelopesNeutral Envelopes
    • Orange EnvelopesOrange Envelopes
    • Grey EnvelopesGrey Envelopes
    • Purple Lilac EnvelopesPurple/Lilac Envelopes
    • Silver EnvelopesSilver Envelopes
    • KraftKraft Envelopes
  • Envelopes – By Size
    • Standard Sizes (Gummed)
      • C5/A5 – 162mm x 229mm
      • C6/A6 – 114mm x 162mm
      • C7/A7 – 82mm x 113mm
      • DL – 110mm x 220mm
    • Standard Sizes (Peel/Seal)
      • C4/A4 – 229mm x 324mm
      • C5/A5 – 162mm x 229mm
      • DL/DL+ – 110mm x 220mm
      • C6/A6 – 114mm x 229mm
    • Greeting Card Sizes
      • A5 – 152mm x 216mm
      • 5″x7″ – 133mm x 184mm
      • B6 – 125mm x 175mm
      • 155mm Square V-Flap
    • Square Envelopes
      • 220mm Square Peel/Seal
      • 155mm/160mm Square Peel/Seal
      • 155mm Square Envelopes
      • 130mm Square Envelopes
    • Speciality Sizes
      • Business/Credit Card
      • Letterbox Style
      • Place / RSVP Cards
      • Pearlescent Envelope Sizes
  • Envelope Value Packs
    • Bundles – Save 10%
    • Multi-Colour Packs
    • A4 Paper Packs
  • Wholesale Envelopes
    • White Envelopes
      • White Standard Envelopes
      • White Square Envelopes
    • Coloured Envelopes
      • C4/A4 Colour Envelopes
      • C5/A5 Colour Envelopes
      • C6/A6 Colour Envelopes
      • DL Envelopes
      • DL+ Colour Envelopes
      • 220mm Square Envelopes
      • 155/160mm Square Envelopes
    • Envelope Cello Wrappers
  • Coloured Paper & Card
    • A4 Coloured Paper
    • Individual Cut Card
    • Folded Card Blanks

Home » Envelope Sizes » V-Flap Envelopes » 155mm x 155mm Square Gummed » Page 2

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Cove Blue Envelope 155mm Square ClosedCove Blue Envelope 155mm Square Open

Cove Blue 155mm x 155mm Square Envelope. Gummed. 120gsm V-Flap.

From £0.14
You save

1325 in stock now

View Details & Buy
Canary Yellow Envelope 155mm Square ClosedCanary Yellow Envelope 155mm Square Open

Daffodil Yellow 155mm x 155mm Envelope. Yellow 100gsm Square Envelope. Gummed.

From £0.12
You save

869 in stock now

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Clariana Dark Blue Envelope 155mm Square ClosedClariana Dark Blue Envelope 155mm Square Open

Dark Blue 155mm x 155mm Square Envelope. Gummed. 120gsm V-Flap.

From £0.15
You save

1134 in stock now

View Details & Buy
Clariana Dark Green Envelope 155mm Square ClosedClariana Dark Green Envelope 155mm Square Open

Dark Green 155mm x 155mm Square Envelope. Gummed. 120gsm V-Flap.

From £0.15
You save

1384 in stock now

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Dark Grey Envelope 155mm Square ClosedDark Grey Envelope 155mm Square Open

Dark Grey 155mm x 155mm Envelope. Grey 135gsm Square Envelope. Gummed.

From £0.19
You save

1310 in stock now

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Clariana Dark Red Envelope 155mm Square ClosedClariana Dark Red Envelope 155mm Square Open

Dark Red 155mm x 155mm Square Envelope. Gummed. 120gsm V-Flap.

From £0.15
You save

1494 in stock now

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Clariana Dark Yellow Envelope 155mm Square ClosedClariana Dark Yellow Envelope 155mm Square Open

Dark Yellow 155mm x 155mm Square Envelope. Gummed. 120gsm V-Flap.

From £0.15
You save

1777 in stock now

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Claret Red Envelope 155mm Square ClosedClaret Red Envelope 155mm Square Open

Deep Burgundy 155mm x 155mm Envelope. Red 120gsm Square Envelope. Gummed.

From £0.16
You save

1330 in stock now

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Electric Green Envelope 155mm Square ClosedElectric Green Envelope 155mm Square Open

Electric Green 155mm x 155mm Square Envelope. Gummed. 100gsm V-Flap.

From £0.15
You save

984 in stock now

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Electric Orange Envelope 155mm Square ClosedElectric Orange Envelope 155mm Square Open

Electric Orange 155mm x 155mm Square Envelope. Gummed. 100gsm V-Flap.

From £0.15
You save

976 in stock now

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Electric Pink Envelope 155mm Square ClosedElectric Pink Envelope 155mm Square Open

Electric Pink 155mm x 155mm Square Envelope. Gummed. 100gsm V-Flap.

From £0.15
You save

835 in stock now

View Details & Buy
Electric Red Envelope 155mm Square ClosedElectric Red Envelope 155mm Square Open

Electric Red 155mm x 155mm Square Envelope. Gummed. 100gsm V-Flap.

From £0.15
You save

935 in stock now

View Details & Buy
Electric Yellow Envelope 155mm Square ClosedElectric Yellow Envelope 155mm Square Open

Electric Yellow 155mm x 155mm Square Envelope. Gummed. 100gsm V-Flap.

From £0.15
You save

985 in stock now

View Details & Buy
Fern Green Plain Gummed S4 - 155 mm x 155 mm  Envelope

Fern Green 155mm x 155mm Envelope. Green 100gsm Square Envelope. Gummed.

From £0.12
You save

557 in stock now

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Fleck Kraft Envelope 155mm Square ClosedFleck Kraft Envelope 155mm Square Open

Fleck Kraft 155mm x 155mm Envelope. Brown 110gsm Square Envelope. Gummed.

From £0.12
You save

844 in stock now

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Lime Green Envelope 155mm Square ClosedLime Green Envelope 155mm Square Open

Fresh Green 155mm x 155mm Envelope. Green 100gsm Square Envelope. Gummed.

From £0.12
You save

765 in stock now

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Fuchsia Pink Envelope 155mm Square ClosedFuchsia Pink Envelope 155mm Square Open

Fuchsia Pink 155mm x 155mm Envelope. Pink 100gsm Square Envelope. Gummed.

From £0.12
You save

1325 in stock now

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Gold Envelope 155mm Square ClosedGold Envelope 155mm Square Open

Gold 155mm x 155mm Envelope. Gold 100gsm Square Envelope. Gummed.

From £0.13
You save

1388 in stock now

View Details & Buy
Golden Yellow Envelope 155mm Square ClosedGolden Yellow Envelope 155mm Square Open

Golden Yellow 155mm x 155mm Envelope. Yellow 100gsm Square Envelope. Gummed.

From £0.12
You save

743 in stock now

View Details & Buy
Heritage Green Envelope 155mm Square ClosedHeritage Green Envelope 155mm Square Open

Heritage Green 155mm x 155mm Envelope. Green 100gsm Square Envelope. Gummed.

From £0.19
You save

1280 in stock now

View Details & Buy
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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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