Business Source No. 9 Double Window Invoice Envelopes - Double Window - #9 - 8 7/8in Width x 3 7/8in Length - 24 lb - Self-sealing - 500 / Box - White MPN:36681

The Business Source #9 double window invoice envelopes are a reliable choice for sending invoices, statements or checks securely through mail. Measuring 8 7/8 width x 3 7/8 length and weighing 24 lbs, these envelopes can conveniently accommodate letter-size documents while keeping content safe from spills, splashes or dust due to the self-sealing flap. With a pack of 500 envelopes per box, businesses can save time on restocking inventory, ensuring an efficient and streamlined mailing process. The white color makes for professional presentations while maintaining a classic appearance that blends well with any company's brand image. These envelopes are perfect for small to medium-sized offices or businesses that need an affordable yet sturdy option for outgoing mailings.