Do they sell envelopes at royal mail

Yes, Royal Mail, the UK's postal service, does sell envelopes and other postal supplies at their post offices and online. You can purchase a variety of envelopes, including:

1. Standard envelopes: These are available in various sizes, including A4, A5, and C5.
2. Special delivery envelopes: These are designed for sending valuable or important items and offer additional security features.
3. International envelopes: These are suitable for sending mail to countries outside the UK.
4. Jiffy envelopes: These are lightweight, padded envelopes ideal for sending small items like documents, photos, or gifts.
5. Window envelopes: These have a transparent window that allows the recipient's address to be visible.

You can purchase envelopes at Royal Mail post offices or online through their website. They also offer a range of other postal supplies, such as stamps, packaging materials, and franking machines.

It's worth noting that Royal Mail also offers a "Envelope and Stamps" service, which allows you to buy envelopes and stamps online and have them delivered to your home or office. This can be a convenient option if you need to send mail regularly.