C4 Manilla Window Envelopes Shop our range of C4 manilla window envelopes, ideal for sending A4 invoices, statements, letters and business documents without folding.
C4 envelopes measure 324 x 229mm, making them suitable for standard A4 paperwork. The address window allows the recipient details printed on your document to remain visible, helping to speed up mail preparation and reduce the need for separate address labels. C4 Manilla Self Seal Window Envelopes Self seal C4 window envelopes are a practical choice for busy offices and accounts departments processing regular outgoing mail. Simply press the sealing flaps together to close the envelope, making them quick and convenient for invoices, statements, customer correspondence and other business mailings. Our range includes different paper weights to suit everyday postal requirements and heavier documents. Gummed and Peel & Seal C4 Window Envelopes We also stock gummed C4 manilla window envelopes alongside peel and seal options. Gummed envelopes offer a traditional closure for business post, while peel and seal envelopes feature a protective release strip over the adhesive for quick and easy sealing. This gives businesses the flexibility to choose the sealing method that best suits their mailing process. C4 Window Envelopes for A4 Documents C4 window envelopes are particularly useful for accounts departments, schools, local authorities, solicitors and other organisations that regularly send A4 paperwork. They are ideal for: Invoices and statements Contracts and reports Business letters Customer correspondence School and college documents General office mail The window helps ensure the address printed on the enclosed document remains clearly visible, while the manilla construction provides a professional and practical mailing solution. Buy C4 Manilla Window Envelopes Online At Online Stationers, we supply C4 manilla window envelopes in bulk packs for businesses, schools and organisations throughout the UK. Choose from self seal, gummed and peel & seal options in a range of paper weights from trusted envelope manufacturers. For other mailing requirements, browse our C4 manilla plain envelopes, C4 white window envelopes, C4 white plain envelopes and wider range of mailroom and packaging supplies.
