1. Size: 9″ x 12.75″ – Perfect for Full-Sized Documents

The envelope’s dimensions— Manila Envelope 9″ x 12.75″ —make it ideal for holding:

• A4 or letter-sized documents without folding.

• Booklets, catalogs, legal forms, or certificates.

• Multi-page reports, resumes, or portfolios

This size is especially preferred for presentations, legal paperwork, tenders, and formal communications where documents must remain crease-free and neatly organized.

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2. Material: Classic Manila Paper – Durable & Professional

Constructed from durable manila paper, typically around 90–100 GSM, the envelope offers:

• A natural buff or light brown finish, giving it a traditional, no-nonsense appearance

• Resistance to tearing and folding during transport

• A smooth surface that accepts ink, stamps, and labels well

Manila paper is also recognized for being environmentally friendly, as it’s often made from recycled content and is fully recyclable.

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3. Closure Type: Flap Closure – Flexible Usage

The envelope generally features a gummed flap or clasp-style closure, allowing:

• Easy sealing with glue or tape

• Optional reuse with metal clasps or string closures in some models

• Secure containment of documents for both mailing and storage

While not as quick as peel & seal types, this traditional closure provides versatility for reusability and archiving.

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4. Design: Plain and Spacious

The envelope is designed with a flat, plain face that allows for:

• Address labeling

• Printing or stamping company logos

• Attaching routing slips or documentation

Its spacious interior accommodates thicker bundles without stress on the seams.

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5. Common Applications: Office, Legal, and Educational Use

Ideal for:

• Filing and organizing paperwork

• Mailing flat items such as certificates or contracts

• Sending academic records, reports, or tenders

• Transporting legal or confidential documents safely

This makes it a favorite in law firms, government agencies, schools, and HR departments.

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6. Environmental Consideration

Manila envelopes are often made from post-consumer recycled materials, making them an eco-conscious choice. They are also reusable in many cases, further reducing waste.

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Set Ranking: 9.3/10 – Dependable, Spacious, and Versatile

The Manila Envelope 9″ x 12.75″ receives a strong 9.3 out of 10 for: ✅ Large capacity for unfolded documents
✅ Durable construction
✅ Recyclable and reusable materials
✅ Widely accepted across industries

Its only slight drawback is the traditional closure, which may be slower to seal in high-volume tasks compared to modern peel & seal options.

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Conclusion

The Manila Envelope 9″ x 12.75″ is a trusted and time-tested solution for safely transporting or storing full-sized documents. Its classic look, strong build, and practical size make it an indispensable item in offices, schools, and legal environments. Whether used for mailing important documents or simply organizing files, this envelope is both functional and professional—proof that sometimes, the simplest tools are the most effective.

A true office essential that never goes out of style.