Menu
Same Day Dispatch if ordered by 2pm
Trade Prices Available
Design & Print Online
UK’s Largest Range In Stock
Filters

126x126mm Navy Blue Square Peel & Seal Plain 110gsm Envelopes
From £0.17excl. VAT£0.20 incl. VAT
SE126NBUP
126x126mm Navy Blue Square Peel & Seal Window 110gsm Envelopes
From £0.18excl. VAT£0.21 incl. VAT
SE126NBUW
126x126mm Dark Yellow Square Peel & Seal Window 110gsm Envelopes
From £0.18excl. VAT£0.21 incl. VAT
SE126DYW
White 140mm Square Envelopes 120gsm
From £0.10excl. VAT£0.13 incl. VAT
C03140
Pale Blue 140mm Square Envelopes 100gsm
From £0.13excl. VAT£0.16 incl. VAT
P15140
Metallic Silver 140mm Square Envelopes 100gsm
Box Price
£31.73 per 1000
From £0.24excl. VAT£0.29 incl. VAT
E05140
Black 155mm Square Peel & Seal V Flap Envelopes 110gsm
From £0.30excl. VAT£0.36 incl. VAT
CEV155B
130x130 Silver Grey Textured Silk 120gsm Peel & Seal Envelopes
From £0.20excl. VAT£0.24 incl. VAT
CEB130SG
Save 35%
130x130 Lilac Textured Silk 120gsm Peel & Seal Envelopes
From £0.13excl. VAT£0.16 incl. VAT
CEB130L
Save 20%
130x130 Bean Green Textured Silk 120gsm Peel & Seal Envelopes
From £0.12excl. VAT£0.14 incl. VAT
CEB130BG
Save 20%
155x155 Silver Grey Textured Silk 120gsm Peel & Seal Envelopes
From £0.18excl. VAT£0.22 incl. VAT
CEB155SG
Save 25%
155x155 Lilac Textured Silk 120gsm Peel & Seal Envelopes
From £0.17excl. VAT£0.20 incl. VAT
CEB155L
140x140mm Oyster Lustre Square Gummed Plain 90gsm Envelopes
From £0.19excl. VAT£0.22 incl. VAT
G07140
Gold 155mm Square Peel & Seal V Flap Envelopes 110gsm
From £0.34excl. VAT£0.41 incl. VAT
CEV155G
Save 20%
160x160 Black Black-lined Wallet Gummed 120gsm Envelopes
From £0.33excl. VAT£0.40 incl. VAT
TL160B-B
Save 20%
160x160 Black Blue-lined Wallet Gummed 120gsm Envelopes
From £0.33excl. VAT£0.40 incl. VAT
TL160BU-B
160x160 Black Gold-lined Wallet Gummed 120gsm Envelopes
From £0.49excl. VAT£0.59 incl. VAT
TL160G-B
160x160 Black Green-lined Wallet Gummed 120gsm
From £0.42excl. VAT£0.50 incl. VAT
TL160GR-B
160x160 Black Red-lined Wallet Gummed 120gsm Envelopes
From £0.41excl. VAT£0.50 incl. VAT
TL160R-B
160x160 Black Silver-lined Wallet Gummed 120gsm Envelopes
From £0.49excl. VAT£0.59 incl. VAT
TL160S-B
160x160 Black White-lined Wallet Gummed 120gsm Envelopes
From £0.41excl. VAT£0.50 incl. VAT
TL160W-B
White 110mm Square Peel and Seal Envelopes 120gsm
From £0.08excl. VAT£0.10 incl. VAT
C03110PS
White 165mm Square Peel and Seal Envelopes 120gsm
From £0.16excl. VAT£0.19 incl. VAT
C03165PS
White 220mm Square Premium Peel and Seal Envelopes 180gsm
From £0.38excl. VAT£0.46 incl. VAT
PLS220220W
Black 220mm Square Premium Peel and Seal Envelopes 180gsm
From £0.46excl. VAT£0.55 incl. VAT
PLS220220B
White 220mm Square Premium Window Peel and Seal Envelopes 180gsm
From £0.44excl. VAT£0.53 incl. VAT
PLS220220W-W
White 125mm Square Premium Peel and Seal Envelopes 180gsm
From £0.19excl. VAT£0.23 incl. VAT
PLS125125W
White 155mm Square Premium Peel and Seal Envelopes 180gsm
From £0.24excl. VAT£0.29 incl. VAT
PLS155155W
White 164mm Square Premium Peel and Seal Envelopes 180gsm
From £0.26excl. VAT£0.31 incl. VAT
PLS164164W
White 170mm Square Premium Peel and Seal Envelopes 180gsm
From £0.27excl. VAT£0.32 incl. VAT
PLS170170W
White 190mm Square Premium Peel and Seal Envelopes 180gsm
From £0.31excl. VAT£0.38 incl. VAT
PLS190190W
White 240mm Square Premium Peel and Seal Envelopes 180gsm
From £0.47excl. VAT£0.57 incl. VAT
PLS240240W
White 249mm Square Premium Peel and Seal Envelopes 180gsm
From £0.50excl. VAT£0.60 incl. VAT
PLS249249W
140X140mm White All Board Envelopes
From £0.25excl. VAT£0.30 incl. VAT
AB01-RIP
125x125mm White All Board Envelopes
From £0.20excl. VAT£0.24 incl. VAT
AB0-RIP
170x170mm White All Board Envelopes
From £0.30excl. VAT£0.36 incl. VAT
AB02-RIP
164x164mm White All Board Envelopes
From £0.28excl. VAT£0.34 incl. VAT
AB01-PIP-RIP
195x195mm White All Board Envelopes
From £0.33excl. VAT£0.39 incl. VAT
AB3-RIP
220x220mm White All Board Envelopes
From £0.36excl. VAT£0.43 incl. VAT
AB4-RIP
260x260mm White All Board Envelopes
From £0.46excl. VAT£0.55 incl. VAT
AB6-RIP
White 140mm Square Premium Peel and Seal Envelopes 180gsm
From £0.22excl. VAT£0.26 incl. VAT
PLS140140W
Recycled Fleck Kraft 140mm Square Envelopes
From £0.10excl. VAT£0.12 incl. VAT
B02140
140x140mm Brown Ribbed Square Gummed Plain 100gsm Wove Envelopes
From £0.18excl. VAT£0.22 incl. VAT
A01140
249x249mm White All Board Envelopes
From £0.41excl. VAT£0.49 incl. VAT
AB4-PIP-RIP
Save 30%
Light Grey 155mm Square V Flap Envelopes 120gsm
Box Price
£27.08 per 1000
From £0.14excl. VAT£0.17 incl. VAT
AR40155
Save 30%
130x130mm Light Grey Wallet V Flap Gummed Plain 120gsm Envelopes
Box Price
£23.66 per 1000
From £0.13excl. VAT£0.15 incl. VAT
AR40130
155x155mm Dark Grey Wallet V Flap Gummed Plain 120gsm Envelopes
Box Price
£30.69 per 1000
From £0.23excl. VAT£0.28 incl. VAT
DGREY155
Dark Grey 130mm Square V Flap Envelopes 120gsm
From £0.18excl. VAT£0.22 incl. VAT
DGREY130

Square Envelopes for Cards, Invitations and Special Occasions

Our range of square envelopes is perfect for greeting cards, wedding invitations, save the date cards, thank you cards and premium stationery. Available in a wide variety of sizes, colours and finishes, square envelopes provide a stylish alternative to traditional rectangular envelopes and help your cards and invitations stand out.

Whether you're looking for classic white square envelopes, vibrant coloured envelopes, luxurious pearlescent finishes or premium lined envelopes, you'll find a wide selection suitable for both personal and business use.

Available Square Envelope Sizes

We stock square envelopes in a variety of popular sizes to suit greetings cards, invitations, announcements and marketing materials. From small square envelopes for RSVP cards through to larger sizes for luxury invitations and greetings cards, there is a size to suit every project.

  • Small square envelopes
  • Square invitation envelopes
  • Square greetings card envelopes
  • Large square envelopes
  • Premium square envelopes
  • Square envelopes for stationery sets

Choose the Right Square Envelope

White Square Envelopes

A versatile choice for invitations, greetings cards, business stationery and everyday correspondence.

Coloured Square Envelopes

Ideal for weddings, events, creative projects and eye-catching mailings that need to make an impression.

Premium & Pearlescent Envelopes

Perfect for luxury invitations, special occasions and high-end stationery where presentation matters.

Popular Uses for Square Envelopes

  • Wedding invitations
  • Save the date cards
  • RSVP cards
  • Birthday invitations
  • Greeting cards
  • Thank you cards
  • Luxury stationery
  • Creative marketing mailings

Square envelopes are particularly popular for invitation and card designs because their proportions create a more premium appearance compared with standard envelope formats.

Square Envelope FAQs

Square envelopes are commonly used for greeting cards, wedding invitations, save the date cards, thank you cards and premium stationery.

Yes. Square envelopes are one of the most popular choices for wedding invitations, save the date cards and RSVP cards thanks to their elegant appearance.

The correct envelope size depends on the dimensions of your card or invitation. We offer a range of square envelope sizes suitable for both small cards and larger invitation formats.

Yes. Our range includes white, coloured, kraft, pearlescent, lined and premium square envelopes in a variety of shades and finishes.

Need Help Choosing an Envelope?

If you're unsure which envelope size is right for your cards or invitations, view our Envelope Size Guide for help choosing the most suitable envelope for your project.

Subscribe for latest news and offers
To get our newsletter please enter your email address in the box below and press 'Subscribe' button.