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. Features No-moisture sealing for quick-and-easy closing Double-flap design keeps gum from sticking before use Security tinted for privacy of contents Manufacturer Business Source Categories Business Source Office Supplies, Business Source Envelopes & Mailers MPN BSN42207 Model# 42207 UPC Code 035255422079 UNSPSC Code 1 Basis Weight 24 lb Closure Type Self-sealing Country of Origin United States Mailer/Envelope Length 4 1/2" Mailer/Envelope Type Single Window Mailer/Envelope Width 9 1/2" Manufacturer Business Source Manufacturer Part Number 42207 Packaged Quantity 500 / Box Product Type Envelope Recycled No Brand Name Business Source Marketing 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. Product Name No.10 Standard Window Invoice Envelopes Product Color White Product Material Poly Assembly Required No assembly is required Contains Recycled Materials N Returnable No Unit of Measure BX Item Weight 6.6 Ships via UPS Y This item is sold by the BX GTIN Item 035255422079 UPC Retail 035255422079 Brand Business Source Brand Contact 888-926-9773 Manufacturer Stock No. 42207 Country of Origin US UNSPSC Number 44121506