The Envelope People is your trusted supplier for a wide array of envelopes in the UK, perfect for everything from daily post to special occasions. Whether you need standard C6 envelopes for greeting cards or C5 envelopes for larger documents, we offer high-quality options that are both durable and smart. Our collection also includes classic DL envelopes for business correspondence and contemporary square envelopes to add a distinctive touch to your invitations and cards.