Business Source No.10 Standard Window Invoice Envelopes - Single Window - 9 1/2 Width x 4 1/2 Length - 24 lb - Self-sealing - Poly - 500 / Box - White

No. 10 invoice envelopes offer a standard address window. Poly windows and inside tint provide privacy for your contents. Self-sealing design makes envelopes 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.

• No-moisture sealing for quick-and-easy closing
• Double-flap design keeps gum from sticking before use
• Security tinted for privacy of contents