- Manufacturer: Business Source
- Manufacturer Part Number: 04650
- Brand Name: Business Source
- Product Name: Double Window No. 8-5/8 Check Envelopes
- Product Type: Envelope
No. 8-5/8 check envelopes offer double windows for return address and mailing address. Poly windows and inside tint deliver privacy of contents. Self-sealing design makes them quick and easy to close. 24 lb. envelopes require no moisture to seal. Unique double-flap design keeps the gum from sticking before use. Simply raise the lower flap and press.