We can also use handwritten fonts, recycled papers, unsusual paper types including elephant poo (yep, that is a thing) seeded paper or we can use coloured envelopes.

Direct Mail letters

Send common sizes like -

A4 letter folded into a C5 or a DL envelope.

A4 letter inserted unfolded into a C4 envelope

Need more space? Go for a multi-page letter like a 6pp A4 or an additional compliment slip added to the bottom of the A4 which can be perforated so that the recipient can tear it off.

Need a price? 4000 A4 letter enclosed into a C5 envelope = 45p each! Get in touch today.

Why Letter in Envelope Marketing Works

In a world of digital overload, a well thought out letter in an envelope cuts through the noise. It’s personal, trusted, and delivers a message in a way that feels important—because let’s be honest, no one ignores a letter with their name on it.

So, why should businesses use direct mail letters? Here are a few reasons:

1. They Feel Personal

Unlike mass emails or generic flyers, a letter in an envelope feels exclusive and important. Whether it’s a customer update, a special offer, or a direct sales message, people are far more likely to open and read a letter than another email in their spam folder.

2. Perfect for High-Value Messaging

If you’re reaching out to VIP clients, decision-makers, or B2B prospects, a printed letter delivers a level of credibility and trust that digital channels struggle to match.

3. Higher Response Rates

Letters have response rates up to 30x higher than email.
A professionally printed and personalised letter builds authority and engagement.
Envelopes create intrigue—people want to know what’s inside.

How Businesses Use Letter Mail Marketing

Financial Services & Insurance – Sending statements, policy updates, or personalised offers.

Real Estate & Property Management – Reaching homeowners with valuation offers or tenant communications.

B2B & Corporate Outreach – Targeting decision makers with strategic business letters.

Local & National Campaigns – Using personalised letters to drive event attendance, product launches, or exclusive deals.

Non profits & Fundraising – Engaging donors with personal, story-driven appeals.

Final Thoughts

When it comes to direct mail, a letter in an envelope delivers credibility, builds trust, and creates a deeper connection with your audience.

Want to see how letter based direct mail can work for your business? Let’s chat.

Not sure what to send? Get in touch today to start the conversation.