Business Source Double Window No. 8-5/8 Check Envelopes - Double Window - #8 5/8 - 8 5/8" Width x 3 5/8" Length - 24 lb - Self-sealing - 500 / Box - White

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.