--- product_id: 42050005 title: "Blue Summit Supplies 500#8 Double Window Security Envelopes, Flip & Seal" brand: "blue summit supplies" price: "1317 kr" currency: NOK in_stock: true category: "Blue Summit Supplies" url: https://www.desertcart.no/products/42050005-blue-summit-supplies-500-8-double-window-security-envelopes-flip store_origin: NO region: Norway --- # 500-pack bulk supply Security tint privacy pattern Fast flip & seal closure Blue Summit Supplies 500#8 Double Window Security Envelopes, Flip & Seal **Brand:** blue summit supplies **Price:** 1317 kr **Availability:** ✅ In Stock ## Summary > 🔐 Seal your checks with confidence and speed — because your business deserves no compromises! ## Quick Answers - **What is this?** Blue Summit Supplies 500#8 Double Window Security Envelopes, Flip & Seal by blue summit supplies - **How much does it cost?** 1317 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/42050005-blue-summit-supplies-500-8-double-window-security-envelopes-flip) ## Best For - blue summit supplies enthusiasts ## Why This Product - Trusted blue summit supplies brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Premium Durability:** Crafted from sturdy 24 lb white wove paper, built to withstand busy office workflows. - • **Bulk-Ready Efficiency:** 500 envelopes per pack to power through high-volume mailing without pause. - • **Confidentiality First:** Security tint pattern shields sensitive check details from prying eyes during transit. - • **Speedy Seal Technology:** Flip-and-press self-adhesive closure eliminates licking and peel strips for rapid envelope sealing. - • **Seamless QuickBooks Compatibility:** Precisely aligned double windows ensure flawless check and address visibility, reducing costly mailing errors. ## Overview Blue Summit Supplies #8 Double Window Security Envelopes come in a 500-count pack, featuring a fast flip-and-seal closure and a security tint privacy pattern. Designed specifically for QuickBooks check printing, these 24 lb white wove paper envelopes align perfectly with standard check layouts, ensuring accurate address display and protecting sensitive financial information during mailing. ## Description desertcart.com : Blue Summit Supplies 500#8 Double Window Security Envelopes, Flip & Seal | 3 5/8 x 8 11/16 in, Security Tint, Flip and Seal, for QuickBooks Checks, Business Mailings : Office Products ## Features - Fast Flip Seal Closure Check Envelope – Designed for bookkeeping teams and offices that mail checks regularly, these #8 double window envelopes self seal use a flip-and-press adhesive closure on durable 24 lb white wove paper so users can close envelopes quickly without licking or peel strips, helping speed up pay and accounts payable tasks. - QuickBooks Window Alignment – For businesses printing checks for payroll and vendor payments, these QuickBooks check envelopes self seal are made from 24 lb white wove paper and align with standard check or voucher layouts so addresses appear correctly in the windowed format, reducing reprints, adjustments, and mailing errors. - Double Window Check Format – For accounting teams mailing business checks, these 24 lb white wove paper 2 window envelopes compatible for QuickBooks checks display only the necessary address fields through two windows while keeping the rest of the check concealed, helping prevent exposure of sensitive details during mailing. - Security Tint Privacy Pattern – For offices mailing checks and financial documents, these self sealing 24lb white wove paper envelopes include a confidential security tint pattern to reduce read-through, helping protect check amounts, memo lines, and account details during transit. - #8 Size For Business Checks – For small businesses and accounting teams running frequent check batches, these 3 5/8 x 8 11/16 #8 QuickBooks check envelopes are made from 24 lb white wove paper and come in a 500-pack to support high-volume mailing workflows with consistent fit and reliable processing. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06XH5J3ZV | | Additional Features | Double Window, Security Tint, Self Sealing, Self-Adhesive Closure | | Best Sellers Rank | #3,212 in Office Products ( See Top 100 in Office Products ) #17 in Business Mailing Envelopes | | Brand | Blue Summit Supplies | | Brand Name | Blue Summit Supplies | | Closure Type | Self-Seal | | Color | White | | Customer Reviews | 4.7 out of 5 stars 1,452 Reviews | | Item Dimensions L x W | 8.7"L x 3.6"W | | Item Shape | Rectangular | | Item Weight | 16 ounces | | Manufacturer | Blue Summit Supplies | | Material | Paper | | Material Type | Paper | | Model Name | No. 8 Double Window Security Check Envelopes for QuickBooks, Flip and Seal | | Number of Items | 1 | | Occasion | AP, Business, Payroll | | Occasion Type | Business Mail, Checks | | Recommended Uses For Product | Checks | | Size | Number 8 | | Style | Security | | UPC | 869643000309 | | Unit Count | 500 Count | ## Product Details - **Brand:** Blue Summit Supplies - **Closure Type:** Self-Seal - **Color:** White - **Material:** Paper - **Occasion:** AP, Business, Payroll ## Images ![Blue Summit Supplies 500#8 Double Window Security Envelopes, Flip & Seal - Image 1](https://m.media-amazon.com/images/I/719vfSLraRL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Has the issue with the inferior qualiry paper, preforate sides, and size/ease of use been corrected? This is as seen in more recent reviews.** A: We bought ours at the beginning of the year and have had no problems size, paper or adhesive. Will reorder when needed **Q: How many envelopes in a pack?** A: 500 **Q: what is the location of the top window? Measurements?** A: the top window is 3/8 from top and 3/8 from the side. It measures 3 1/2 inches wide and 7/8 inches wide. **Q: Do these have the perforated backs/tops for easy opening?** A: No, Easy open perforations. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.no/products/42050005-blue-summit-supplies-500-8-double-window-security-envelopes-flip](https://www.desertcart.no/products/42050005-blue-summit-supplies-500-8-double-window-security-envelopes-flip) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-17*