| Envelope is easy to secure with the peel and seal feature |
| External Dimension 250 x 350mm |
| External Dimension 270 x 335mm |
| Lightweight bubble lining provides added protection for contents |
| Sized No.4 this envelope has an internal dimension of 230 x 340mm |
| Sized No.4 this envelope has an internal dimension of 240 x 320mm |
| Tough bubble bags made with a high quality white kraft paper exterior |