Business Source Self-Seal Envelopes, Std Wind., No. 10, 4-1/2"x9-1/2", 500/BX, White (BSN42207) Box of 500

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. General Information Manufacturer:Business SourceManufacturer Part Number:42207Brand Name:Business SourceProduct Name:No.10 Standard Window Invoice EnvelopesMarketing Information: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. Packaged Quantity:500 / BoxProduct Type:Envelope Product Information Mailer/Envelope Type:Single WindowMailer/Envelope Width:9 1/2"Mailer/Envelope Length