--- product_id: 282893243 title: "Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16" brand: "blue summit supplies" price: "€ 87.59" currency: EUR in_stock: true url: https://www.desertcart.pt/products/282893243-blue-summit-supplies-500-gummed-double-window-security-check-envelopes store_origin: PT region: Portugal --- # 3.5" x 8.7" size Security tint design 500 envelopes per pack Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16 **Brand:** blue summit supplies **Price:** € 87.59 **Availability:** βœ… In Stock ## Summary > πŸ“ˆ Elevate Your Check Game with Style! ## Quick Answers - **What is this?** Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16 by blue summit supplies - **How much does it cost?** € 87.59 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/282893243-blue-summit-supplies-500-gummed-double-window-security-check-envelopes) ## 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 - β€’ **Bulk Value Pack:** 500 envelopes mean you’re stocked up and ready for business, saving you time and money. - β€’ **Strong Gummed Seal:** Moisten to seal securely; no self-seal worries, just reliable protection. - β€’ **Double Window Design:** Unique double window feature keeps amounts and memos hidden, maintaining confidentiality. - β€’ **Durable Construction:** Crafted from 24 LB white wove paper for a professional look that withstands transit. - β€’ **Perfect Fit for QuickBooks:** Designed to seamlessly accommodate QuickBooks checks, ensuring a hassle-free experience. ## Overview These 500 Gummed Double Window Security Check Envelopes are expertly designed for QuickBooks checks, featuring a unique double window that conceals sensitive information while providing a professional appearance. Made from durable 24 LB paper, they ensure your checks remain secure during transit, and the strong gummed seal guarantees a lasting closure. Perfect for businesses looking to maintain confidentiality and professionalism. ## Description Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16 ## Features - Perfectly fits QuickBooks Checks, or other computer printed checks: checks will slide in easier with a slightly wider design than the standard 2 window 8 5/8 envelope - Checks amounts and memos will not be visible: Only addresses will show through our unique double window design with no need to change QuickBooks, QB Online, or Quicken settings (WILL NOT FIT STATEMENTS) - Provides complete check security: your laser checks will be hidden with our security tint design - Just moisten or lick the flap and fold it over to create a strong lasting seal: Save money with our strong gummed seal design is quick and easy and is guaranteed to stay sealed (NOT SELF SEAL) - Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Blue Summit Supplies | | Brand | Blue Summit Supplies | | Product Dimensions | 21.59 x 30.48 x 11.43 cm; 2.3 kg | | Color | white | | Closure | Gummed, Self-Seal | | Shape | Rectangular | | Material Type | Paper | | Number of Items | 500 | | Manufacturer Part Number | BSS-92588-005 | | Item Weight | 2.3 Kilograms | ## Product Details - **Brand:** Blue Summit Supplies - **Colour:** white - **Closure type:** Gummed, Self-Seal - **Material:** Paper - **Number of Items:** 500 ## Images ![Blue Summit Supplies 500 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16 - Image 1](https://m.media-amazon.com/images/I/71UimhX0xoL.jpg) ## Frequently Bought Together - 500#8 Gummed Double Window Security Check Envelopes - Designed for QuickBooks Checks, Business Mailing, and Security - Computer Printed Checks - Gummed Flap - 3 5/8 X 8 11/16 - Amazon Basics Multipurpose Copy Printer Paper, 8.5 x 11 in, 20 lb, 10 Reams, 5000 Sheets, 92 Bright, White - Amazon Basics 1/3-Cut Tab, Assorted Positions File Folders, Letter Size, Manila - Pack of 100 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/282893243-blue-summit-supplies-500-gummed-double-window-security-check-envelopes](https://www.desertcart.pt/products/282893243-blue-summit-supplies-500-gummed-double-window-security-check-envelopes) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-06-06*