1. Size: 4.5″ x 9.5″ – Ideal for Business Letters

This envelope measures White Envelope 4.5″ x 9.5″ ( Plain ) Peel & Seal, also commonly known as the DL (Dimension Lengthwise) format. It is specifically designed to fit:

• A4 sheets folded into thirds (tri-fold).

• Payment vouchers.

• Short letters or memos

• Slim brochures or promotional leaflets

The size makes it perfect for routine communication and fits easily into standard filing trays or mailboxes.

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2. Design: Plain Front – Clean and Customizable

Unlike windowed envelopes, this version has a plain front, offering:

• A completely blank space for printed or handwritten addresses

• Flexibility for custom branding, stamping, or labeling

• An elegant, minimalist appearance

The plain face ensures privacy and gives full control over the placement of recipient and sender information.

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3. Closure: Peel & Seal – Efficient and Secure

One of the envelope’s most user-friendly features is its peel & seal closure, which offers:

• A quick-seal adhesive strip—just peel off the protective layer and press to seal

• A strong, tamper-resistant bond

• No need for moisture, glue sticks, or extra tools

This makes it ideal for bulk mailing in offices, saving time and improving hygiene.

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4. Material: White Bond Paper – Professional Finish

Made from high-quality white bond paper (typically 80–90 GSM), this envelope provides:

• A smooth matte finish for a polished appearance

• Moderate thickness that ensures document protection

• High opacity to keep contents confidential

It strikes the right balance between professionalism and practicality.

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5. Common Applications: Everyday Business Use

This envelope is perfect for:

• Mailing invoices or receipts

• Sending personal or business letters

• HR communication like appointment letters or memos

• Marketing material or event invitations

Because of its size, design, and ease of use, it’s a staple item in corporate offices, government agencies, schools, and home offices.

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6. Environmental Consideration

Many manufacturers now use recyclable paper and eco-friendly adhesives for peel & seal envelopes, making this a sustainable mailing choice.

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Set Ranking: 9.2/10 – Simple, Practical, Reliable

The White Envelope 4.5″ x 9.5″ (Plain) Peel & Seal scores a solid 9.2 out of 10, thanks to: ✅ Easy and secure closure
✅ Professional appearance
✅ Versatile for multiple uses
✅ Time-saving and hygienic

The only minor limitation is that it lacks a window, so addresses must be printed or labeled directly on the envelope—but for many, this adds flexibility.

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Conclusion

The White Envelope 4.5″ x 9.5″ (Plain) Peel & Seal is an excellent option for anyone who needs a reliable, secure, and professional envelope for daily correspondence. Its practical design, smooth finish, and peel-and-seal convenience make it a must-have in any office setting. Whether you’re sending out dozens of invoices or a single letter, this envelope ensures your contents arrive safely and look sharp on arrival.

A small but essential part of keeping communication clear, consistent, and professional.