White business envelopes form the backbone of any stationery cupboard and are an affordable way to mail clients, customers and suppliers. The Rajapack range includes the most popular mailing sizes, including DL, C5 and C4. These strong self-seal envelopes are perfect for posting invoices and letters and are available with a show-through window to save on labelling costs.
If you are mailing a number of addresses at once, we also stock convenient peel and seal envelopes that are quick to fill and simple to secure. For next day delivery on all your office stationery, simply call the specialists on 0800 542 44 28.