Catering for all sizes in wallet, pocket, gummed and self-seal envelopes. A range of paper grades available, all with excellent environmental credentials.. - Box Quantity: 500.. - Pallet Quantity: 48000.. Features. Envelope media weight. 90 g/m². Window dimensions (W x H). 90 x 45 mm. Window. Yes. Product colour. Cream. Envelope format (ISO 269). C5 (162 x 229 mm). Weight & dimensions. Length. 162 mm. Width. 229 mm