Business Source No. 9 Double Window Invoice Envelopes (BSN36681)

Double Window - #9 - 8 7/8" Width x 3 7/8" Length - 24 lb - Self-sealing - 500 / Box - White

• Offers double windows for return address and mailing address
• Poly windows and inside tint deliver privacy of contents
• Unique double flap design keeps the gum from sticking before use
• Compatible with most standard, 8-1/2" x 11" computer-generated invoices and statements