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Shop our full range of square envelopes, ideal for square cards, invitations, greetings cards and creative mailings. Choose from a wide range of sizes, colours, paper weights and finishes to suit every occasion.
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
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.