Business Source Double Window No. 8-5/8 check envelopes provide a dual-window design for both return and mailing addresses, reducing alignment errors with preprinted forms. The envelopes feature poly windows and an interior security tint to protect sensitive information. Self-sealing, double-flap construction makes closure quick and prevents gum from sticking before use. These 24 lb white envelopes come 500 per box and are designed for reliable mailing and business use. Manufacturer listing includes SP RICHARDS / SPARCO PRODUCTS depending on source; model/part number 04650. Product/package dimensions are recorded as approximately 12.1 x 9.1 x 4 inches (box), with package weight approximately 5.6 pounds. Key attributes: double window, self-adhesive closure, interior tint for privacy, 24 lb stock, 500 per box.
| Materials & Construction | |
| Color | White |
| Material | Paper |
| Product Details | |
| Closure Type | Self-Seal |
| Envelope Closure | Self-Adhesive Seal |
| Manufacturer Part No | 04650 |
| Material Type | Paper |
| Number of Items | 1 |
| Quantity | 500 |
| Shape | Rectangular |
| Size | One Size |
| Special Feature | Self-Adhesive Closure |
| Sizing & Dimensions | |
| Height | 4 inches |
| Length | 12.1 inches |
| Product Dimensions | 12.1 x 9.1 x 4 inches |
| Weight | 5.6 pounds |
| Width | 9.1 inches |
| Technical Specifications | |
| Closure | Self-Seal |
By signing up, you agree to receive emails from us. You can unsubscribe anytime.
Copyright @ 2026 BZ DEFENSE LLC. All rights reserved. Unauthorized use and/or duplication of this material without express and written permission is prohibited.