| 25mm block bottom to the gusset maximises the available capacity, ideal for sending bulky items such as reports, project proposals, catalogues and brochures | 
| 25mm gusset | 
| 324x229x25mm | 
| All envelopes are made from EU Eco-label accredited paper - better for the environment. | 
| C4 size (324x229x25mm) | 
| Colour: white | 
| Durable, heavyweight 120gsm bright white paper | 
| Features Power-Tac adhesive for an exceptionally secure seal. | 
| Made from heavyweight 120gsm paper | 
| Manufactured from 120gsm bright white paper | 
| Pack of 100 | 
| Pack of 100 envelopes | 
| Peel & Seal closure with Power Tac adhesive for exceptionally strong seal | 
| Peel and seal closure - peel away the release tape from the flap to reveal a strip of gum and press down to form an instant bond | 
| PEFC™ certified - products are independently certified and can demonstrate their commitment to sustainable development and corporate social responsibility | 
| Pocket envelope with 25mm gusset and address window | 
| Power-Tac premium feature provides a quick and super strong seal to protect your contents | 
| Prestige 120gsm brilliant white paper gusset envelopes for mailing bulkier items (25mm gusset). | 
| Size: C4 (324 x 229 x 25mm) | 
| Size: C4 324x229x25mm | 
| Strong Power-Tac peel and seal closure | 
| Stylish blue opaque inner lining to ensure contents remain confidential | 
| White gusset envelopes with window for mailing bulkier items | 
| Window  C4. | 
| Window position  25mm in from LHS, 213mm up | 
| Window position: 25mm in, 213mm up | 
| Window size of 45x100mm | 
| Window size: 45 x 100mm |