HERKKA
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#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack
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#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack
Securely send checks, invoices, or other confidential documents with our ultra-strong self-seal business envelopes.
#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack
Item #: 91860392

#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch -

Item #: 91860392

ZMW 600

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Monday, August 17
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Securely send checks, invoices, or other confidential documents with our ultra-strong self-seal business envelopes.
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What Stands Out

Security Tinted Design
This envelope features a security tint that ensures the contents remain confidential, preventing unauthorized viewing and enhancing privacy for sensitive business communications.
Printer Friendly
Designed for printing, these envelopes are compatible with most printers, allowing businesses to personalize mailings without compromising quality or security.
Bulk Pack Value
Available in a 500-pack, these envelopes offer exceptional value for businesses, ensuring a reliable supply for various mailing needs and reducing frequent reorder hassle.

Product Details

Shop #10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack online at a best price in Zambia. B0BD4DHJLP
Brand NameHERKKA
ManufacturerHERKKA
Unit Count500 Count
Item Dimensions L x W9.5"L x 4.13"W (24.1 cm)
Size4 1/8 x 9 u00bd inches (10.2 cm)
ColorBlack
OccasionBusiness
StyleSecurity Tinted
Item ShapeRectangular
Occasion Typehome, office
Closure TypeSelf-Seal
Number of Items500
Recommended Uses For ProductSecurity
Material TypePaper
BrandHERKKA
MaterialPaper

Who Should Buy?

Suitable For
  • Businesses

    Ideal for companies needing secure document mailing without displaying contents, ensuring confidentiality and professionalism.

  • Accountants

    Perfect for accountants sending sensitive tax documents, guarantees privacy and security in mailing important papers.

  • Nonprofits

    Beneficial for nonprofits sending donor acknowledgments, protecting personal data while maintaining a professional image.

Not Suitable For
  • Personal Use

    May not be suitable for casual personal correspondence where the envelope design is less critical than cost-effectiveness.

Product Description

#10 Security Self-Seal Envelopes, No.10 Windowless Bussiness Envelopes, Security Tinted with Printer Friendly Design - Size 4-1/8 x 9-1/2 Inch - White - 24 LB - 500 Pack

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are HERKKA #10 Security Self-Seal Envelopes used for?

    Answer: HERKKA #10 Security Self-Seal Envelopes are ideal for sending confidential documents securely. They feature a tinted design that prevents visibility from the outside, making them perfect for important business communications, legal documents, and financial statements. The self-seal mechanism allows quick and efficient sealing, ensuring that your documents remain protected during transit. For instance, businesses often use these envelopes to send payroll information or sensitive client details, providing peace of mind that their information is secure.
  • Question: What size do these envelopes come in?

    Answer: These envelopes are sized at 4-1/8 x 9-1/2 inches, which is the standard No. 10 envelope size. This makes them compatible with most printed letterhead or standard sheets of paper folded into thirds. This size is particularly useful for mailing invoices, direct mail marketing materials, and personal correspondence. The compact design allows for efficient stacking and storage on your office desk or in filing cabinets.
  • Question: How does the self-seal feature work?

    Answer: The self-seal feature of HERKKA envelopes allows you to close them securely without the need for additional adhesives or moisture. Simply peel off the protective strip to expose the adhesive, press the flap down, and your envelope is sealed. This not only saves time but also keeps your hands clean and free from wet glue. This feature is especially useful in busy office environments where speed and efficiency are crucial for mailing large volumes of documents.
  • Question: Can I print on these envelopes?

    Answer: Yes, HERKKA #10 Security Self-Seal Envelopes are designed to be printer-friendly. This means you can customize the envelopes with your company logo or return address using a standard printer. The smooth surface ensures high-quality printing, making these envelopes suitable for professional use. Businesses often create customized envelopes for marketing purposes, enhancing brand visibility with every piece of correspondence sent out.
  • Question: Are these envelopes suitable for mailing sensitive information?

    Answer: Absolutely! The security tint on HERKKA envelopes ensures that the contents remain confidential and private. This makes them particularly suitable for mailing sensitive information such as tax documents, legal notices, or medical records. The added layer of security helps prevent unauthorized viewing, providing reassurance to both the sender and recipient about the confidentiality of the documents being sent. They are a smart choice for businesses handling private client information.
  • Question: What materials are these envelopes made from?

    Answer: HERKKA #10 Security Self-Seal Envelopes are crafted from durable paper stock designed to handle standard mailings without tearing or ripping. The quality of the materials ensures that the envelopes maintain their shape during transit, protecting the contents inside. Their sturdy construction makes them reliable for both personal and business use, ensuring that important documents arrive at their destination intact and secure.
  • Question: Do these envelopes come in bulk packaging?

    Answer: Yes, HERKKA #10 Security Self-Seal Envelopes are available in bulk packaging, which is ideal for businesses or organizations that send out large volumes of mail. Purchasing in bulk not only helps save costs but also ensures that you always have an adequate supply of envelopes on hand for your mailing needs. This is particularly beneficial for accountants during tax season or for marketing teams when crafting direct mail campaigns.
  • Question: Are these envelopes environmentally friendly?

    Answer: While the HERKKA #10 Security Self-Seal Envelopes are made from standard paper materials, it's important to check for specific eco-friendly certifications such as FSC or recycled content. Many companies are increasingly focused on sustainability, and using envelopes that meet eco-friendly standards can weaken their environmental impact. For environmentally conscious businesses, choosing envelopes that are recyclable can align with their sustainability goals.
  • Question: What is the difference between windowed and windowless envelopes?

    Answer: Windowless envelopes, like the HERKKA #10, provide privacy since there’s no clear plastic window to reveal the contents inside. This makes them ideal for confidential documents. In contrast, windowed envelopes allow for visibility of the address printed on the document within, which can simplify the mailing process for specific uses like invoices where the recipient’s address is already printed. It’s vital to choose based on the nature of your mailing needs.
  • Question: Where can I buy HERKKA #10 Security Self-Seal Envelopes in Zambia?

    Answer: You can purchase HERKKA #10 Security Self-Seal Envelopes from Ubuy in Zambia. Ubuy offers a convenient online shopping experience with various shipping options, ensuring you can quickly get these essential envelopes for your business or personal needs. With Ubuy, you can browse through a selection of office supplies, making it simple to find and order what you need directly from the comfort of your home.

HERKKA Business Envelopes Editorial Review

The No.10 Windowless Business Envelopes have garnered positive feedback for their robust Construction and self-sealing capability, making them a preferred choice for bulk mailings, such as membership drives. Users appreciate the security features that prevent contents from being read through the envelope, contributing to the privacy of sensitive information. Several customers have noted the envelopes' thickness and overall value for money, reporting satisfaction with their performance in professional settings. However, a significant drawback has emerged from recent reviews, specifically related to issues with adhesive patches missing on some envelopes. Although these envelopes can still be utilized, the lack of an adequate seal has led to the necessity of additional tape for closure, which can detract from the professional appearance that users typically desire. This problem seems to have impacted a percentage of users, prompting mixed perceptions regarding quality control in later orders. Overall, while many customers are enthusiastic about the general design and functionality of these envelopes, recurring issues with the adhesive have introduced a level of inConsistency that potential buyers should Consider. ###

Customer Reviews & Ratings

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Pros

  • Excellent value for money
  • Self-seal feature provides convenience
  • Strong privacy protection due to security tint
  • Thicker than average, enhancing durability
  • High satisfaction for mass mailings ###

Cons

  • Some envelopes do not seal tightly, requiring tape

Platform Trust & Buyer Confidence

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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”

22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”

23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”

23 July 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

ZMW 600

Order now and get it around Monday, August 17

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • 500 pack of HERKKA #10 security envelopes with self-seal closure.
  • Peel & Seal design eliminates the need for moisture.
  • Dark navy security tint ensures privacy and protects contents.
  • Ideal for checks, invoices, and sensitive documents.
  • Compatible with inkjet and laser printers for easy addressing.
  • Long-lasting supply suitable for regular business correspondence.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.