Secure Self-Seal Double Window Envelopes - 500 Count, Ideal for Invoicing

Regular price $101.55
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Estimate delivery times: 3-6 days (International)

Return within 45 days of purchase. Duties & taxes are non-refundable.

Secure Self-Seal Double Window Envelopes - 500 Count, Ideal for Invoicing
Secure Self-Seal Double Window Envelopes - 500 Count, Ideal for Invoicing
Regular price $101.55

Secure Self-Seal Double Window Envelopes - 500 Count, Ideal for Invoicing

Secure Self-Seal Double Window Envelopes - 500 Count

Effortlessly manage your invoicing and sensitive correspondence with our premium box of 500 #9 double window envelopes, expertly crafted to enhance the professionalism of your business communication.

Product Features:

  • Dimensions: 3-7/8 in x 8-7/8 in, perfect for QuickBooks invoices and statements.
  • Unique Redi-Seal press-to-seal closures eliminate the need for moisture—just raise the lower flap and press for a mess-free experience.
  • Double window design ensures only sender and receiver addresses are visible while keeping sensitive information hidden from prying eyes.
  • Security tint with a special safety pattern effectively scrambles text, offering an extra layer of privacy and confidentiality.
  • Top window size: 1-3/16" x 3-1/2"; Bottom window size: 1" x 4", designed for optimal presentation and functionality.
  • Crafted from professional 24 lb white wove paper, providing a quality appearance for all business communications.
  • Perfectly tucks into #10 envelopes as reply envelopes, maximizing your mailing efficiency.

Why Choose Our Self-Seal Envelopes?

Experience the ultimate combination of efficiency and security with our Secure Self-Seal Double Window Envelopes. Designed specifically for high-volume usage, these envelopes eliminate the hassle of licking seals and ensure your sensitive information remains under wraps with our unique security patterns.

Ideal for accountants, law offices, and any business that requires the discreet handling of confidential documents, these envelopes uphold your brand's professionalism and instill confidence in your clients. Stock up today and elevate your correspondence with our self-sealing security envelopes!

Don't compromise on the quality and safety of your mail—order now and enjoy the convenience of bulk savings with 500 envelopes at your disposal!

    • Free & Fast Shipping - We offer free shipping to most of the USA with a normal delivery time of 3-7 days. However, due to the current situation, additional delivery time (up to 3 weeks) may be required for some items.
    • Alternative Carriers - We may use alternative carriers (e.g. USPS, FedEx, UPS, etc.) to ensure your package arrives safely and on time. Due to the use of multiple carriers, we are unable to provide a tracking number automatically.
    • Handling Time - Orders are processed and shipped within 1-2 business days of receiving cleared payment.
    • Shipping Restrictions - Shipping to Alaska, Hawaii, Puerto Rico, Guam, and other US territories may incur shipping charges or delivery restrictions. Please contact us before ordering, or your order can be refunded/cancelled.
    • State Restrictions - There may be restrictions based on your state of purchase. For example, certain items may not be shipped to California due to state regulations.
    • Contact for Tracking Updates - If you require tracking updates or have any concerns about the delivery of your order, please feel free to contact us, and we will be happy to assist you.

    • 30-Day Hassle-Free Returns - We want you to be completely satisfied with your purchase. If you are not, you can return the item within 30 days of receiving it for a full refund or exchange.
    • Easy Return Process - To start a return, simply contact us and we will provide you with a prepaid return shipping label and detailed instructions.
    • Restocking Fee - There are no restocking fees for returns. However, the buyer is responsible for return shipping costs if the return is not due to a seller's error.
    • Refund Processing Time - Refunds will be processed within 5 business days of receiving the returned item in its original condition.

We accept all major credit cards, PayPal, and Apple Pay for your convenience. Your payment information is secure and encrypted to ensure a safe and seamless transaction. Please complete your payment within 3 days of purchase to avoid any delays in shipping.

Your feedback is extremely important to us. We strive to provide the best products and customer service possible. If you are satisfied with your purchase, please take a moment to leave us a positive review. If you have any concerns or issues with your order, please contact us before leaving negative feedback. We are committed to resolving any problems and ensuring your satisfaction.




If you have any questions or concerns, please feel free to reach out to our customer support team. You can contact us through the eBay messaging system. We are available Monday to Friday, 9:00 am to 5:00 pm EST, and we will do our best to respond to your inquiry within 24 hours.



Thank you for supporting our small family business!

UPC: Not Set Model: Not Set MPN: Not Set Unit Quantity: 500
Brand: Unbranded Country/Region of Manufacture: Not Set Unit Type: Unit  

Free Shipping In USA

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:

– Received the wrong item.
– Item arrived not as expected (ie. damaged packaging).
– Item had defects.
– Over delivery time.
– The shipper does not allow the goods to be inspected before payment.

The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.

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