Amazon Basics #10 Security Envelopes 4-1/8 x 9-1/2, 500
Reviews
Product description
These security #10 envelopes from amazon Basics deliver privacy and practical capacity for daily office mail and bulk mailing tasks. They combine a dyed interior for added confidentiality and a moisture-seal V-flap that keeps contents secure, making them useful for invoices, statements, and professional correspondence.
Key Points

The interior tint helps obscure contents during handling and transit, which can be helpful when mailing sensitive documents. The V-flap moisture seal closes quickly without additional adhesives, so preparation of large batches is faster and cleaner. These envelopes arrive in a pack of 500, which supports regular office use and reduces the need for frequent reorders. 📬


The paper stock is sturdy enough to run through standard mailing equipment and to resist show-through from printed pages. According to the manufacturer, the vellum finish gives a professional look while being practical for everyday business tasks. For large-volume mailings, the white exterior keeps addresses and labels easy to read.

Technical Specifications
- Name: amazon Basics #10 Security
- Quantity: - 500 envelopes.
- Paper weight: - 24-pound vellum paper.
- Size: - 4-1/8 x 9-1/2 inches (standard #10).
- Color: - White.
- Closure: - V-flap moisture seal.
- Interior: - Dyed/tinted for privacy.



Usage Recommendations
Use these envelopes for monthly statements, pay slips, invoices, and client communications where privacy is a concern. They are suitable for automated inserting machines and standard postage, however consider testing a small batch if your mailing equipment is sensitive to thicker stock. For hand-addressing or applying labels, the white exterior provides a clean surface that accepts ink and adhesive labels reliably. ✉️

For storage, keep envelopes flat and dry to maintain the integrity of the moisture seal and to prevent curling of edges. In busy mailrooms, consider opening a new box only when needed to avoid exposure to humidity that could affect sealing performance. 🗂️.
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