| C5 size |
| Made from lightweight 90gsm paper |
| Opaque interior for security |
| Pack of 500 |
| Pocket envelope type, therefore the flap is on the short edge of the envelope |
| Press seal closure - meaning that all you have to do is apply the two glued flaps together to form an instant bond |
| Window position 65mm in from left-hand side, 25mm up |
| Window size of 100x40mm |