C4 Manilla Window Self Seal Envelopes – Strong 90 GSM Brown Window Mailing Envelopes for A4 Documents, Invoices, Statements & Business Post – Self Seal Postal Envelopes

• 📄 Perfect for A4 Documents Designed to hold unfolded A4 sheets, making these C4 window envelopes ideal for invoices, statements, contracts, reports, brochures, certificates and business correspondence.
• 🪟 Clear Address Window The transparent window neatly displays printed addresses, helping speed up mailing while reducing the need for labels or handwritten addressing.
• ✉️ Quick Self Seal Closure Strong self-seal adhesive provides a fast, secure closure without moisture or tape, making bulk mailing quicker and more efficient.
• 💪 Strong Manilla Construction Manufactured from durable 90 GSM manilla paper to help protect important documents during transit while maintaining a smart, professional appearance.
• 🏢 Ideal for Business & Office Use Perfect for offices, schools, accountants, payroll departments, solicitors, estate agents, ecommerce businesses and everyday professional mailing.

Send important documents quickly and professionally with these premium C4 manilla window self seal envelopes. Designed to fit A4 documents without folding, these envelopes are ideal for invoices, statements, contracts, reports, certificates, brochures and other business correspondence. The integrated address window allows recipient details to show clearly from printed documents, helping save time while maintaining a professional presentation. The strong self-seal adhesive strip provides a secure closure in seconds without the need for licking or additional tape, making them perfect for busy offices and high-volume mailing. Manufactured from quality 90 GSM manilla paper, these envelopes offer excellent strength and durability to help protect contents throughout the postal journey. Suitable for businesses, schools, accountants, legal firms, healthcare providers and home offices.