DL envelopes are one of the UK's most popular envelope sizes, trusted for everything from business correspondence to modern wedding stationery. Their long, elegant shape offers a professional presentation while remaining practical for everyday mailing.
Measuring 110 × 220mm, DL envelopes are specifically designed to hold an A4 sheet folded into three equal sections, making them perfect for letters, invoices, brochures, menus, vouchers, leaflets and contemporary invitation suites.
Whether you're sending business mail, creating luxury wedding invitations or organising promotional materials, DL envelopes provide a sleek, stylish solution that combines practicality with a premium finish.
What Fits Inside a DL Envelope?
A DL envelope is specifically designed to fit: A4 paper folded into thirds Business letters Invoices and statements Slim wedding invitations Menus and price lists Vouchers and gift certificates Leaflets...
What Fits Inside a DL Envelope?
What Fits Inside a DL Envelope?
DL Envelope Dimensions
DL envelopes measure 110 × 220mm, providing a slim and elegant format that's ideal for folded A4 documents while remaining practical for everyday mailing. Their versatile size makes them a...
DL Envelope Dimensions
DL Envelope Dimensions
What Are DL Envelopes Used For?
DL envelopes are a slim, elegant choice and are commonly used for: Business Letters Perfect for letters, invoices, statements, appointment letters and everyday business correspondence where an A4 sheet is...
What Are DL Envelopes Used For?
What Are DL Envelopes Used For?
Frequently asked questions
What size is a DL envelope?
A DL envelope measures 110 × 220mm. It is a long, slim envelope size designed to hold an A4 sheet folded into three equal sections.
What fits inside a DL envelope?
A DL envelope is ideal for A4 paper folded into thirds, business letters, invoices, statements, slim invitations, menus, vouchers, leaflets and promotional inserts.
Does A4 paper fit in a DL envelope?
Yes. A standard A4 sheet fits inside a DL envelope when it is folded into three equal sections. This makes DL envelopes a popular choice for letters and business correspondence.
How do I fold A4 paper to fit a DL envelope?
To fit A4 paper into a DL envelope, fold the sheet into three equal panels. This creates a neat long insert that slides comfortably into a 110 × 220mm DL envelope.
What are DL envelopes used for?
DL envelopes are commonly used for letters, invoices, statements, appointment cards, menus, vouchers, gift certificates, leaflets and modern wedding invitations.
Are DL envelopes suitable for wedding invitations?
Yes. DL envelopes are a stylish choice for slim wedding invitations, save-the-dates, RSVP cards and information inserts. Their long, elegant shape works especially well for modern invitation designs.
What is the difference between DL and C5 envelopes?
A DL envelope measures 110 × 220mm and fits A4 paper folded into thirds.
A C5 envelope measures 162 × 229mm and fits Half A4 inserts.
DL is slimmer and more compact, while C5 is better for larger inserts that need more space.
Can DL envelopes be posted?
Yes. DL envelopes are a standard mailing size and are commonly used for everyday post. Postage will depend on the weight, thickness and contents of the envelope.
What does DL envelope mean?
DL refers to the long, slim envelope format commonly used for A4 paper folded into thirds. It is one of the most popular envelope sizes for business mail, letters and folded documents.