C5 envelopes provide a practical solution for sending A4 documents folded once, making them ideal for professional correspondence across offices, healthcare settings, and care environments.
Available in plain and window options, they offer flexibility for a range of mailing needs. Whether sending letters, forms, or important documents, C5 envelopes deliver a clean, secure, and professional finish.
- C5 size (fits A4 folded in half)
- Available in plain and window options
- Suitable for letters, forms, and documents
- Professional and secure mailing solution
- Ideal for office, healthcare, and admin use
- Easy to seal and use






