{"product_id":"herkka-no-9-double-window-security-envelopes-500-pack-self-seal-for-quickbooks-invoices","title":"HERKKA No.9 Double Window Security Envelopes – 500 Pack Self-Seal for QuickBooks Invoices","description":"\u003cdiv\u003e\n  \u003ch2\u003eOverview\u003c\/h2\u003e\n  \u003cp\u003eHERKKA No.9 Double Window Security Envelopes are designed for busy offices and home businesses that routinely mail invoices, statements, checks, and other confidential documents. The No.9 size (3 7\/8 x 8 7\/8 inches) fits common business correspondence, while a sturdy 24 lb stock offers a solid, professional feel in hand. Inside, a premium navy security tint helps keep contents discreet while still allowing light to pass through for easy checking at a glance. This combination of size, weight, and privacy makes these envelopes a practical choice for everyday mailing tasks.\u003c\/p\u003e\n  \u003ch3\u003eKey features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e500-pack with Peel and Seal closure for a moisture-free, quick seal.\u003c\/li\u003e\n    \u003cli\u003ePremium interior security tint in navy to protect sensitive contents.\u003c\/li\u003e\n    \u003cli\u003eDouble window design reveals only the sender and return address—memo, payee line, and amounts stay private.\u003c\/li\u003e\n    \u003cli\u003eUltra-strong self-seal adhesive provides a full-width seal that resists opening or tearing.\u003c\/li\u003e\n    \u003cli\u003eLarge, long-lasting supply suitable for regular business correspondence and high-volume mail tasks.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eDesigned for business mail\u003c\/h3\u003e\n  \u003cp\u003eThe two-window layout is optimized for QuickBooks invoices and monthly billing statements, helping you align the address fields while keeping sensitive details hidden from view. The combination of a secure seal and privacy tint helps reduce the chance of accidental exposure during transit or handling.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eDouble-window design supports professional invoice presentation without exposing internal notes.\u003c\/li\u003e\n    \u003cli\u003eIdeal for invoices, statements, checks, and other confidential mailings.\u003c\/li\u003e\n    \u003cli\u003eWorks well for home or office use, providing a consistent, dependable mailing solution.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003ch3\u003eDurability and packaging\u003c\/h3\u003e\n  \u003cp\u003eWith a robust Peel and Seal closure and 24 lb stock, these envelopes are built to endure handling during mailing. A 500-count pack helps ensure you maintain a steady supply for ongoing mail tasks, reducing the need for frequent reorders.\u003c\/p\u003e\n  \u003cp\u003eIf you’re looking to streamline your mailing workflow, these envelopes offer a clear, privacy-minded option. They combine practical size, secure closure, and a discreet interior tint to support organized, professional correspondence. Consider ordering a pack to evaluate how the double-window design and strong seal fit your routine document send-outs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the key advantages of the HERKKA No.9 double window envelopes for invoices?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The design shows sender and return addresses while keeping memo, payee, and amounts hidden.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many envelopes are in a pack and what closure do they use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Each pack includes 500 envelopes with Peel and Seal closure for secure, moisture-free mailing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HERKKA","offers":[{"title":"Default Title","offer_id":47360267026626,"sku":"B085VDCLY3","price":95.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/3516\/7426\/files\/herkka-no9-double-window-envelopes-pack-view.jpg?v=1775514986","url":"https:\/\/perlastore.ca\/products\/herkka-no-9-double-window-security-envelopes-500-pack-self-seal-for-quickbooks-invoices","provider":"Perla Store | The Ultimate A to Z Marketplace for Every Need in Canada","version":"1.0","type":"link"}